Generation:  Altus M313

50-51mm chainline depending on crankset

Extras:  For 27

CR2032 Lithium Metal

SHIMANO's SL-M315 RAPIDFIRE shift lever is suited to quick shifting

SMITH Hardline Carbon Downhill Helmet - MIPS Size:- Large (59-62cm) Generation: Altus M313Three, two, one. Dropping. The Smith Hardline Carbon Downhill Helmet is feature packed and designed for taking on the rowdiest lines on the planet. The fully constructed carbon weave shell includes complete KOROYD coverage and is equipped with a Mips Safety System for maximum impact protection. Built into the bottom of the helmet is a Smith designed collarbone impact protection zone to help mitigate the risk of helmet to collarbone contact in a crash.