Shimano Crankarms FC-M8130-1 56.5/157mm XT 1x 12spd Super Boost parts-stem Stan's Tire Sealant will stay

Stan's Tire Sealant will stay liquid in a mountain bike tire with a thin casing for 2-7 months on average

Quicker brake engagement with shorter free stroke

That’s it

True concave design

Shimano Crankarms FC-M8130-1 56.5/157mm XT 1x 12spd Super Boost parts-stem Stan's Tire Sealant will stayThe SHIMANO DEORE XT FC M8130 1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 181mm Q factor. FEATURES Superior chain retention Special MTB gear teeth profile improves chain engagement and retention DYNAMIC CHAIN ENGAGEMENT+ Rigid and lightweight design for aggressive trail riding Hollow forged crank maximizes power transfer while limiting weight HOLLOWTECH II