Shimano CN-HG40 Chain drumbeat21-72 allowing it to be mounted

allowing it to be mounted to virtually any bar size (from 25

All you have to do is flip a chip on the shock mount when going from one size to the next and you're good to go

- 6061 Aluminum machined stem

This light works hard

9/16" size for 3 piece cranks

Shimano CN-HG40 Chain drumbeat21-72 allowing it to be mountedHyperglide (HG) series 6, 7, or 8 speed compatible chain, recommended for Altus and older Alivio STX drivetrains HG technology has chamfered inner plates to optimise shifting performance on HG sprockets Durability is assured through the heat treatment of rollers, pins, and plates Mushrooming of the pins gives unsurpassed side plate retention, enabling the chain to far exceed the BS ISO standard for breaking force 7. 3 mm chain width, optimised for 7