Shimano Crankarms FC-M8130-1 56.5/157mm XT 1x 12spd Super Boost parts-stem low viscosity liquid that coats

low viscosity liquid that coats the inside of the tire and carries with it specially formulated sealing crystals

and debris as you shred

That’s it

True concave design

For mountain bikers

Shimano Crankarms FC-M8130-1 56.5/157mm XT 1x 12spd Super Boost parts-stem low viscosity liquid that coatsThe 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