Shimano RD-81xx / 71xx Rear Derailleur Pulley Pair - Black

R$ 1.000,00R$ 2.213,84

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Jocky - Pulley set - Shimano 12S -
Type Road bike
Tooth 12T-Upper Pulley
14T-Lower Pulley
Bearing Bearing
G5 ceramic Stainless steel bearing

Material

 Pulley frame (buffer): Alloy 6061
Pulley body: PA+GF composite material
Color Black
Weight 9g-Upper Pulley
11g-Lower Pulley

 

Compatible with Shimano RD92xx / 81xx / 71xx 12-speed (Road)

Ceramic bearings utilize G5 grade ceramic balls and are matched to a precision machined steel race, providing excellent rotational performance for riders.

P05 precision steel ball bearings for reassuring smoothness and durability. 0.005mm for raceway runout (out of roundness) on the inner race. That's accurate.