Bike Pulley 11T 12T 13T 14T Rear Derailleur Jockey Wheel 7 8 9 10 11 12 Speed Chain Ceramic Pulley

MUQZI Ceramic Jockey Wheel

The traditional Rear Derailleur Pulley is only designed for 11 speeds and the following speeds. Our products are optimized for the teeth shape of the 12-speed narrower chain, so that the gear can enter the chain better, and greatly reduce the left and right swing of the gear and the problem of falling off.Internal ceramic bearing, specially designed for riding, has minimal friction, significantly improve the performance, the internal specially added a spring, has the effect of stabilizing the bearing, do not worry about the bearing edge will lead to abnormal noise.

Material: Aluminum alloy + ceramicColor: Black/red/Gold/SilverSpecifications: 11/12/13/14TCompatible with 7/8/9/10/11/12 speed chain use.

Aluminum Alloy

Durable, machiningintegrated production Anodized surface,anti-corrosion and anti-rust, higher hardne

Ceramic bearing and fixed Spring

Prevents ceramic bearings from sliding from side to side Effective fixing of bearingsLow friction, high speed, not easy to get hot, long life

Positive and negative tooth design

Pulley concave and convex teeth design can perfectly fit the chain grooveIt can effectively reduce chain lo and make the shift smoother.

Pulley concave and convex teeth design can perfectly fit the chain grooveIt can effectively reduce chain lo and make the shift smoother.