12 SPD 104 BCD Chain Rings

Narrow Wide – Thick Thin Chain Rings – 104 BCD

Compatible with 12 speed chain

Rings are threaded, no need for the chain ring bolt NUT to be used just screw the bolt directly into the ring

Designed to help prevent chain drop. The unique tooth profile with alternate thick thin teeth provides more contact area with your chain to reduce the chance of a drop.

Fitting a narrow wide – thick thin chain ring can negate the need for a noisy chain device.

NOTE – You should always fit a new chain when fitting a new chain ring, to see why click HERE