RCU Designs, Inc.

Shock Adjuster Caps
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RCU 99001
Shock Caps replace the plastic OEM shock cap. The internal cylindrical cavity has four grooves for adjustability in 1/4-turns. When you remove the OEM cap, be careful not to lose the ball and spring. The top of the adjustment valve has a hexagonal shaft. The inside of the RCU Cap has a 13mm machined hexagonal recess. If this is too large for your OEM valve shaft, an adapter(s) is included in the kit. The Cap is machined from billet 6061 aircraft quality aluminum alloy and natural-color anodized. The retention screw is included with installation directions.
The BMW roundel is included with each Adjuster Cap.
Should you happen to lose the ball and/or spring, we have replacements available. RCU 99000 $6.00/set
RCU 99000
Ball and Spring
RCU 99001 -- 13mm, 10mm
RCU 99002 -- 13mm, 10mm, 8mm
Remove the OEM plastic Cap to check the size of the hexagonal shaft to get the right RCU Cap. Just use your wrench set to check for the right size hex.
RCU 99002
99001 -- All 1100's, 1150's, K1200RS, K1200GT V1
99002 -- Most R1200GS before electric adjustment
(not shown)
(Adapters included)
Hex size of valve shaft
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