For DAX Skyteam, Zhenhua and other replicas.
Compatible with hubs with 4-screw crown attachment.
Kit includes :
the 38-tooth 7mm offset sprocket with 4 screws,
15-tooth 7mm offset sprocket with 2 screws
For 420 chain, 17mm inner diameter sprocket.
Supplied with screws and locking ring.
Ideal for mounting 4.0" wide rims.
Prevents your chain from rubbing on the rear tire!