Enduro Bearings - Shimano Ceramic Zero Jockey Wheel Set 9/10 Speed Stems The PD-R9100 is the top

The PD-R9100 is the top choice for the road racer

Weight: 230 grams (size 39)

For an extreme control over volume

and maintains the aero performance of a 2 piece suit

Its proprietary outsole was designed in conjunction with Michelin

Enduro Bearings - Shimano Ceramic Zero Jockey Wheel Set 9/10 Speed Stems The PD-R9100 is the topIndependently tested and winning competitions for the least rolling resistance, the truly best part of these jockey wheels is the silent and crisp shifting they afford. Machined from solid Delrin at our California machine shop, not molded, they are much harder and precise than any competitor's that have copied this design. Where aluminum jockey wheels are loud and deteriorate almost immediately after installing, Enduro Bearings jockey wheels will