BBB - ROLLERBOYS PULLEYS
Industrial sealed ABEC-3 rated bearings for super-smooth performance and long-lasting durability. Other brand pulleys have no bearings inside. Composite material provided by EMS Swiss, with 40% glass-fibre mixture giving unmatched stiffness and precise shifting. All bushings for different shifting systems are included.
11T, compatible with:
Shimano 9 and 10 speed / mega range
Campagnolo 11 speed
SRAM X9 / X7 / XO ('11)
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