Chris King R45 & R45 Manuale utente

R45

™

& R45

™ Disc

Hub Manual

chrisking.com/warranty

year warranty

serial number

Contents

Introduction and Cautions..................................................................................................................1

Preparation and Setup

Wheel building....................................................................................................................1

Frame preparation....................................................................................................1

Hub identification and Attachment type................................................................2

Two Piece Axle..........................................................................................................2

One Piece Axle........................................................................................................2

Setup...............................................................................................................................2

R45 Front and R45 Disc Front..............................................2

R45 Rear and R45 Disc Rear..............................................2

Break-in............................................................................................................................3

Maintenance

Maintenance schedule...................................................................................................3

Notes on RingDrive maintenance............................................................................3

Lubrication: Normal/Cold/Wet conditions...................................4

Disassembly of two piece axle on front R45 and R45 Disc hub................................................5

Reassembly of two piece axle on front R45 and R45 Disc hub...............................................6

Disassembly of one piece axle on rear R45 and R45 Disc hub.................................................6

R45 and R45 Disc rear hub: basic maintenance, reassembly, and adjustment......7

Service of the bearings..................................................................................................................8

Front hub maintenance.................................................................................................10

Notes............................................................................................................11

Hub specifications and wheel building information................................12 & 13

Warranty and contact information......................................................................back cover

Helpful tools for precision servicing

Chris King hub cone adjusting tool

Pen Knife

2.5mm hex wrench

5mm hex wrench x 2

Dental pick

Small ﬂat head screwdriver

Chris King Ringdrive Lube

A light spray lubricant (e.g., WD-40™)

A quality 10w synthetic oil (such as Mobil 1® 10w-30 or equivalent)

A lightweight, low viscosity oil, with PTFE ( e.g. TriFlow ™)

Bench Vise

Congratulations

You have just purchased the ﬁnest hubs available. With proper care and maintenance you

will enjoy many years of the legendary performance you have come to expect from all

Chris King Precision Components. This manual is designed to give you the information

needed for the setup, use, and basic maintenance of your new hubs.

As with all Chris King Precision Components, our hubs are superbly designed and

manufactured, responsibly light, and meticulously ﬁnished. Our hubs feature our patented

RingDrive

engagement system spinning around an aluminum axle on four sets of ball bear-

ings. This combination, housed in an elegant aluminum shell, provides the performance

and reliability that serious cyclists demand. Like all of our components, our R45 and R45

Disc hubs are user serviceable.

Cautions

Chris King R45 and R45 Disc hubs are designed to be used in conjunction with quick-

release skewers. It is recommended that the skewer develop a minimum of 1100 lbs. of

clamping force when set. For best performance, use skewers with steel shafts. Titanium

shafted skewers are not recommended.

Do not use thread-locking compound on any part of your hub(s).

For the aluminum driveshells on the R45 rear hubs we recommend using “spidered”-

style cassettes. Avoid using individual cog-style cassettes with aluminum driveshells. We

recommend using our aluminum or Ti cassette lock rings when installing 9, 10,

and 11 speed drivetrains.

The Campagnolo-compatible R45 hub uses dedicated cassette lock rings. An 11-tooth

lock ring is included with each hub. A 12-tooth cassette lock ring is available from any

authorized Chris King dealer, or directly from Chris King Precision Components, www.

chrisking.com/store.

Chris King hubs feature adjustable bearing preload. The bearings should be kept in proper

adjustment for optimum product performance. Do not allow the adjustment to become

loose, as this may cause a loss of performance and could lead to damage to the hubs.

Preparation and Setup

Wheel building

Hub dimensions and restrictions for wheel building are available on pages 12 and 13.

Chris King R45 and R45 Disc hubs are designed to work with 13, 14 and 15 gauge spokes. We will

not be responsible for damaged or destroyed hubs, any consequential damages, or any resulting

labor costs due to improper lacing of your R45 and R45 Disc hub. Proper wheel building technique

is essential in creating a strong wheel. Wheel building is a skill that requires proper training and

specialized tools and should be done by a trained professional.

Frame Preparation

Check frame and fork dropouts to ensure that they are parallel to each oth-

er. Use an appropriate tool made by a reputable bicycle tool manufacturer.

Unparallel dropouts may damage or compromise the performance of your new hub.

Hub Identiﬁcation

Two Piece Axle (see Figure 1)

The front R45 and R45 Disc hub uses a two piece axle and adjusting cone to adjust

bearing preload and an axle end to lock the preload adjustment. Two piece axle dis-

assembly, reassembly and adjustment procedures can found on page 5 and 6.

One Piece Axle (see Figure 2)

The rear R45 and R45 Disc Hub uses a one piece axle (see Fig. 2, pg.2) and adjusting

clamp to adjust bearing preload.

One piece axle disassembly, reassembly and adjust-

ment procedures can be found on pages 6, 7, and 8.

Setup

R45 and R45 Disc front

Chris King R45 and R45 Disc front hubs are designed to work with 100mm fork

drop out spacing. Do not attempt to use your hub with any other dropout spacing.

R45 and R45 Disc rear

Chris King R45 rear hubs are designed to work with 130 frame spacing. Chris King

R45 Disc rear hubs are designed to work with 135mm frame spacing. Do not attempt

to use your hub with any other dropout spacing. .

The hub(s) come pre-adjusted from the factory. The adjustment has been made anticipating

spoke tension and skewer compression. Because of variations in wheel-building practices,

a minor adjustment should be performed upon completion of the wheel build. See the

appropriate “Adjustment” pgs. 6 and 8, and check the hub before using. Do not modify

or alter any Chris King axle system to accept thru-bolt or bolt-on rentention devices.

Axle

End

Adjusting

Cone

Two Piece Axle

Figure 1

Figure 2

2.5mm

hex bolt

Adjusting

Clamp

One Piece Axle

Q.R.

Insert

Break-In

Once your new hub is placed in service, some settling may occur. Check adjustment by clamping

wheel into frame with a quick-release skewer. Ride for 5-10 minutes, check for play or binding,

and readjust clamp or cone if necessary. Recheck after the ﬁrst 1-5 hours of riding. Check cas-

sette lock ring on rear hubs after the ﬁrst 20 hours of use, and tighten if necessary. Continue

monitoring for the ﬁrst 60 hours of use.

During the ﬁrst 60 hours of use, above average amounts of drag may be noticed. This is normal

as the seals break in, and will soon diminish. If this causes chain sag in the rear while back-

pedaling, increase the B-tension (cage tension) on the rear derailleur.

A small amount of grease or oil may seep at the bearing seals during the break-in period.

Maintenance

Rear Hub Maintenance schedule

Chris King R45 and R45 Disc Hubs are designed to provide long life and high performance.

Beyond an occasional adjustment, the only maintenance necessary is cleaning and lubricat-

ing the RingDrive (see “The RingDrive”, pg. 8), and re-lubricating the bearings (see “Service of

the bearings”, pg. 10). Riding conditions will determine how often to service your hubs. As a

beginning guideline, your hubs should be serviced every 6-12 months in normal and

dry conditions and every 3 months in wet or muddy conditions.

The Chris King bearings in your new hub are of the highest quality. However angular contact

bearings will settle and eventually wear in with use. Since looseness or “play” in the bear-

ing assembly can develop as a result of wear, Chris King hubs have been designed with

an adjustable bearing preload mechanism and any normal play can be eliminated (see the

appropriate “Adjustment” section, pgs.

6 and 8

Notes on RingDrive™ maintenance

Normal preventative maintenance of the RingDrive is simple and can be performed using

basic tools (see “The RingDrive”, pg. 8). In many cases, a minor cleaning and reapplication

of lubricant is all that may be necessary. Judging when to perform this basic maintenance

is determined by riding style and conditions. As a beginning guideline, your hubs should

be maintained every 6-12 months in normal and dry conditions and every 3 months in

wet or muddy conditions.

If foreign debris is detectable in the grease and/or the grease looks hard or dry, a complete

servicing (removal and cleaning) of the RingDrive should be performed. Complete service

includes the removal of the RingDrive engagement mechanism and requires the use of

our R45 Hub Service Tool. See any authorized Chris King dealer for complete service or

you may purchase a R45 Hub Service Tool Kit from your dealer or directly from Chris King

Precision Components. Chris King Precision Components provides overhaul services

at reasonable rates. Contact Chris King Customer Service at 800-523-6008 or email

us at [email protected] for details.

Lubrication

Normal conditions

Lubrication of the R45 RingDrive™

We recommend using a quality 10w synthetic oil (such as Mobile 1

10w-30 or

equivalent) on the RingDrive assembly and helical splines on the driveshell.

Oil provides

optimal low drag, low viscosity lubrication for our R45 and R45 Disc RingDrive system.

RingDrive lube is also acceptable. Do not substitute other brands of grease as they may

be too sticky for the helix of the RingDrive and cause hub engagement problems and

premature wear.

Cold conditions

To ensure proper engagement in sub-freezing conditions, ﬁrst be sure that there is no water

or moisture inside the hubshell. The hub may require an overhaul to ensure that the hub

interior is completely water-free. A quality 10w synthetic oil (such as Mobil 1

10w-30 or

equivalent) works well over a wide range of temperatures, even in subzero conditions. Do

not over ﬁll.

Wet conditions

Riding in wet conditions necessitates more frequent service. Often this is as simple as removing

the axle and driveshell from the hub and removing any moisture from inside the hub shell. This

should not replace periodic complete disassembly and maintenance, especially in extreme or

prolonged wet conditions. Since it is nearly impossible to seal a hub from water and still have it

spin freely, we have designed our hubs to be able to operate normally with some water intrusion.

Although the bearings are stainless steel and will resist water-induced corrosion, the lubricant

will eventually deteriorate, leading to premature bearing wear and possible failure. High-pressure

spray washing, transporting or riding the bicycle in the rain, or submersion in water while riding

can all lead to lubricant contamination by water. Be aware of these situations and service more

frequently when they occur.

If you have any additional questions, please call our Technical Services Department at

800.523.6008, or check out our web site for tech info and videos: www.chrisking.com

frequently when they occur.

If you have any additional questions, please call our Technical Services Department at

800.523.6008, or check out our web site for tech info and videos:

www.chrisking.com

Disassembly of front R45 and R45 Disc hub

(see Figure 3)

A. R45 and R45 Disc hubshell assembly

B. R45 axle and R45 Disc front axle

C. R45 adjusting cone

D. R45 axle end and R45 Disc axle end

* R45 and R45 Disc hubshells, axles, and axle

ends are not cross compatible

A.B. C. D.

Figure 3

1. Insert 5 mm hex wrenches into both ends of axle assembly.

Hold right hand stationary and turn left hand counterclockwise 1/4 turn until assembly is loose.

3. Loosen and unscrew adjusting cone and axle end until they are free from main axle.

4. Slide out main axle.

5. Both hub shell bearing assemblies can now be accessed.

For bearing service information see “Service of the bearings”, pg. 8.

Reassembly of front R45 and R45 Disc Hub

(see Figure 3)

1. Lightly grease threads on axle, adjusting cone and axle end. Apply two drops of

lightweight,

low viscosity oil, with PTFE

( e.g. TriFlow

™

) to axle O-rings.

2. Insert main axle into hub shell.

3. If axle end and adjusting cone are assembled as one unit, disassemble by threading axle

end out of adjusting cone and apply a thin layer of waterproof grease to the threads.

4. Thread adjusting cone onto the protruding threads of main axle.

5. Lightly snug adjusting cone up to bearing.

6. Thread axle end into adjusting cone until it stops.

7. Proceed to “Adjustment of two piece axle on front R45 & R45 Disc”, next.

Adjustment of two piece axle on front

R45 and R45 Disc

Hub

(see Figure 3)

1. Insert 5 mm hex wrenches into both ends of axle assembly.

Hold right hand stationary and turn left hand counterclockwise 1/4 turn until assembly is loose.

3. Hold hex wrenches stationary and adjust bearing preload with adjusting cone.

4. Advance adjusting cone until it just contacts bearing, then back off approximately 1/16

Disassembly of front R45 and R45 Disc hub

(see Figure 3)

A. R45 and R45 Disc hubshell assembly

B. R45 axle and R45 Disc front axle

C. R45 adjusting cone

D. R45 axle end and R45 Disc axle end

* R45 and R45 Disc hubshells, axles, and axle

ends are not cross compatible

A.B. C. D.

Figure 3

1. Insert 5 mm hex wrenches into both ends of axle assembly.

Hold right hand stationary and turn left hand counterclockwise 1/4 turn until assembly is loose.

3. Loosen and unscrew adjusting cone and axle end until they are free from main axle.

4. Slide out main axle.

5. Both hub shell bearing assemblies can now be accessed.

For bearing service information see “Service of the bearings”, pg. 8.

Reassembly of front R45 and R45 Disc Hub

(see Figure 3)

1. Lightly grease threads on axle, adjusting cone and axle end. Apply two drops of

lightweight,

low viscosity oil, with PTFE

( e.g. TriFlow

™

) to axle O-rings.

2. Insert main axle into hub shell.

3. If axle end and adjusting cone are assembled as one unit, disassemble by threading axle

end out of adjusting cone and apply a thin layer of waterproof grease to the threads.

4. Thread adjusting cone onto the protruding threads of main axle.

5. Lightly snug adjusting cone up to bearing.

6. Thread axle end into adjusting cone until it stops.

7. Proceed to “Adjustment of two piece axle on front R45 & R45 Disc”, next.

Adjustment of two piece axle on front

R45 and R45 Disc

Hub

(see Figure 3)

1. Insert 5 mm hex wrenches into both ends of axle assembly.

Hold right hand stationary and turn left hand counterclockwise 1/4 turn until assembly is loose.

3. Hold hex wrenches stationary and adjust bearing preload with adjusting cone.

4. Advance adjusting cone until it just contacts bearing, then back off approximately 1/16

turn (this allows for axle compression while under skewer clamp pressure). For precise

adjustment the use of a Chris King Hub Cone Adjusting Tool may be necessary. Hub

cone adjusting tools are available from any authorized Chris King dealer, or directly from

Chris King Precision Components, www.chrisking.com/store.

5. Once preload is set, tighten axle assembly to 110 inch-pounds (12.4Nm).

6. Double check adjustment by clamping wheel into fork with quick-release. Check for play

or binding, and readjust if needed.

Disassembly of rear R45 and R45 Disc Hub

(

see Figure 4)

Shimano and SRAM Compatible

Campagnolo Compatible

B. G.

F. H.

B.B. I. J.

*R45 and R45 Disc hubshells, axles and

axle ends are not cross compatible.

A. H.

F.E.

B. B. B.

A. R45 or R45 Disc QR insert

B. O-ring

C. R45 adjusting clamp

D. R45 and R45 Disc hubshell assembly

E. R45 driveshell assembly

R45 bearing spacer spring

Bearing spacer spring O-ring

Outboard driveshell bearing

I. R45 or R45 Disc rear axle

J. Bearing retainer sleeve

Figure 4

130mm axle only

135mm axle only

turn (this allows for axle compression while under skewer clamp pressure). For precise

adjustment the use of a Chris King Hub Cone Adjusting Tool may be necessary. Hub

cone adjusting tools are available from any authorized Chris King dealer, or directly from

Chris King Precision Components, www.chrisking.com/store.

5. Once preload is set, tighten axle assembly to 110 inch-pounds (12.4Nm).

6. Double check adjustment by clamping wheel into fork with quick-release. Check for play

or binding, and readjust if needed.

Disassembly of rear R45 and R45 Disc Hub

(

see Figure 4)

Shimano and SRAM Compatible

Campagnolo Compatible

B. G.

F. H.

B.B. I. J.

*R45 and R45 Disc hubshells, axles and

axle ends are not cross compatible.

A. H.

F.E.

B. B. B.

A. R45 or R45 Disc QR insert

B. O-ring

C. R45 adjusting clamp

D. R45 and R45 Disc hubshell assembly

E. R45 driveshell assembly

R45 bearing spacer spring

Bearing spacer spring O-ring

Outboard driveshell bearing

I. R45 or R45 Disc rear axle

J. Bearing retainer sleeve

Figure 4

130mm axle only

135mm axle only

Campagnolo-compatible R45 rear hub

The Campagnolo-compatible R45 and R45 Disc rear hub operates in the same way as

the Shimano and Sram compatible R45 hub, with a few differences. The Campagnolo-

compatible R45 hub uses dedicated driveshell, non-disc speciﬁc axle, disc speciﬁc axle,

spacer spring, outboard bearing, bearing sleeves and cassette lock rings. An 11-tooth

lock ring is included with each hub. A 12-tooth cassette lock ring is available from any

authorized Chris King dealer, or directly from Chris King Precision Components, www.

chrisking.com/store.

R45 and R45 Disc basic service

R45 and R45 Disc rear hub service

Follow these instructions for a basic cleaning, relubrication, and bearing preload procedure.

Refer to the schematics (see ﬁgure 4) of this manual for speciﬁc part listing.

For a more comprehensive service, including a thorough cleaning, inspection and replace-

ment of parts, and removal of hub bearings, an R45 Hub Service Tool is required. R45 Hub

Service Tools are available from any authorized Chris King dealer, or directly from Chris

King Precision Components, www.chrisking.com/store.

R45 and R45 Disc rear hub disassembly

1. Remove skewer, cassette lock ring and cassette from hub.

2. Loosen 2.5mm hex bolt on adjusting clamp and then remove R45 QR insert from

main axle assembly by pulling it directly out of the non-driveside of axle.

3. Unscrew adjusting clamp and remove it from axle. [Tech Tip: if adjusting clamp is

difﬁcult to remove, ﬁrst insert a 5mm hex key into drive side axle end to keep axle

stationary. Then insert a 2.5mm hex key into helper hole on adjusting clamp adjacent

to 2.5mm hex bolt. Use 2.5mm hex key as a lever to unscrew adjusting clamp.]

4. Remove axle from the main hub assembly by pushing it through from the non-

driveside. [Tech note: The outboard driveshell bearing of the Shimano-compatible

R45 may or may not remain on the axle as it is pushed out of the hubshell assembly.

It will be remain on the axle in the Campagnolo-compatible version.]

5. Remove driveshell by holding hubshell or wheel in one hand and with other hand

pull driveshell counter clockwise out of the hubshell assembly.

6. All rear hub bearing and RingDrive assemblies can now be accessed for basic

cleaning and relubrication.

Rear hub basic cleaning

1. Chris King sealed bearings have removable snap rings that hold the rubber seals

in place.

2. Carefully, using a very small screwdriver, pick, or penknife, remove the snap ring

by inserting tool into split of snap ring. Gently work one end of the snap ring toward

bearing center until it is out of its groove. Follow the ring around with the tool until

the snap ring is completely dislodged.

3. Lift and remove exposed rubber seal to access the interior of the bearing. Thoroughly

ﬂush the bearing and RingDrive assembly with a light solvent-based spray lubricant (e.g.,

WD-40™). Do not use citrus based cleansers as they are corrosive and will damage

hub parts. Some solvents, synthetic lubricants, and greases with high-pressure additives

may attack and damage seals and other nonmetallic materials. Minimize exposure to these

substances and thoroughly dry hub after cleaning.

4. Using a toothbrush, scrub bearing surfaces, RingDrive splines and teeth, and helical splines

on driveshell to remove hardened grease and contaminants.

5. Flush bearing and RingDrive assembly again with a light solvent-based spray lubricant.

6. Use compressed air to blow all spray lubricant, old grease and contaminants out of the

bearings and hubshell. If compressed air is not available, use a clean, lint-free towel to

thoroughly wipe out interior of hub assembly and bearing surfaces. Bearings, RingDrive

and hub interior must be completely dry and free of solvents before adding new lubrication.

7. Wipe dirt and other contaminants from the seals and snap rings. Avoid cleaning the seals

with heavy-duty solvent, which could cause deterioration.

Service of the bearings

(see ﬁgure 5)

Chris King sealed bearings have removable snap

rings that hold the rubber seals in place.

1. Carefully, using a very small screwdriver,

pick, or penknife, remove the snap ring by

inserting tool into split of snap ring. Gently

work one end of the snap ring toward bearing

center until it is out of its groove. Follow the

ring around with the tool until the snap ring

is completely dislodged.

2. Lift and remove exposed rubber seal to

access the interior of the bearing. [Tech Tip:

Carefully note it’s orientation.]

3. Thoroughly ﬂush the bearing with a light spray

lubricant (e.g., WD-40™) and blow dry.

Note: Some solvents, synthetic lubricants, and greases with high-pressure additives may attack

and damage seals and other nonmetallic materials. Minimize exposure to these substances and

thoroughly dry hub after cleaning.

4. Wipe dirt and other contaminants from the seals and snap rings. Avoid cleaning the seals

with solvent, which could cause deterioration.

5. Lubrication of the R45 bearings. For R45 bearings with stainless steel balls, apply enough

RingDrive Lube to lightly coat the balls inside the bearing (approximately .3ml) of RingDrive

Lube 1/4 to 1/2 way around the top of the hub bearings. For R45 bearings with ceramic

balls, apply enough RingDrive Lube to lightly coat the balls inside the bearing, using

approximately .1ml (a pea-sized amount) of lube. This can be accomplished by applying

a light bead of lube 1/8 to 1/4 of the way around the bearing. Rotate the inner race to work

the lube throughout the ball area. In wet and/or muddy conditions, apply more lube to the

bearings to help seal the bearings from contaminants.

6. Reinstall black rubber seal between inner and outer bearing race. If using the original seal,

Bearing

Assembly

Rubber Seal Snap Ring

Figure 5

Note: Some solvents, synthetic lubricants, and greases with high-pressure additives may attack

and damage seals and other nonmetallic materials. Minimize exposure to these substances and

thoroughly dry hub after cleaning.

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