MT ZOOM Jockey Speed Wheel x 1 5.6g £17.49

1 x MT ZOOM JOCKEY SPEED WHEEL 11T - WITH CERAMIC BEARINGS

Everything has been done to make this New MT ZOOM jockey wheel carry your chain faster and smoother. 

We just have these in BLACK now.

Cut from 7075 red alloy - extra machining has lowered the weight to 5.6g. 

High quality ceramic bearings.

Replace those tired black plastic ones that come with most derailleurs. 

Works best with 8, 9, 10 speed systems.  Note: If you are using a 11 or 12 speed system these may not work so well for you, as they can use bespoke pulleys which have a larger circumference/more teeth/narrower diameter. (e.g. Sram XO1, Eagle, Shimano with longer tooth upper & lower drive).

Tested  in tough conditions, they hold up very well.

There is a little lateral movement to move with the derailleur & enable a better chain line.