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R45 hub information

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 road

riding applications. 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.

Lubrication of the R45 stainless steel bearings

For R45 bearings with stainless steel balls, apply a bead (approximately .3ml) of RingDrive Lube around the

top of the hub bearings.

Lubrication of the R45 ceramic bearings

For R45 bearings with ceramic balls, apply enough RingDrive Lube to lightly coat the balls inside the bearing, using ap-

proximately .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.

Radial lacing

The R45 hubshell has been designed with the most common lacing patterns in mind. We recommend special

care be taken when building and using radial laced wheels. The undersides of spoke heads may sometimes have

considerable seam lines that can make an impression or "cut line" in the hubshell hole chamfer. Please inspect

and selectively sort out these spokes to minimize this possibility. Nipples on radial spokes may have a tendency to

unthread themselves if a spoke preparation compound is not used on spoke threads. Radial laced wheels are also

more sensitive to over- or under-tensioning, thus proper wheel building practices must be followed. Please follow the

spoke manufacturer's recommended tension specifications when building wheels. Inspect hubs and check spoke

tension at regular intervals.

R45 front hub maintenance

Follow "Disassembly, Reassembly and Adjustment of two piece axle on front Classic hub" instructions

on pages 5 and 6. Hub bearings can be lubricated with RingDrive Lube.

Campagnolo-compatible R45 rear hub

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

hub, with a few slight differences as noted below. 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.

Disassembly of R45 rear hub

1. Remove skewer, cog 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 hole on adjusting clamp adjacent to 2.5mm

™

A. R45 QR insert

B. O-ring

C. R45 adjusting clamp

D. R45 hubshell assembly

E. R45 driveshell assembly

F. R45 bearing spacer spring

G. bearing spacer spring O-ring

H. outboard driveshell bearing

R45 rear axle

Bearing Retainer Sleeve

Shimano-compatible

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