Shimano Crankarms FC-M7130-1 56.5/157mm SLX 1x 12spd Superboost Option:170mm Lighter and stiffer design &

Lighter and stiffer design & easy exchangeable chainring by direct mount and one key release

Easier gearing than racing groupsets

Shell: 87% polyester / 13% elastane

Advanced weather protection for a wide range of weather conditions

Superior chain retention

Shimano Crankarms FC-M7130-1 56.5/157mm SLX 1x 12spd Superboost Option:170mm Lighter and stiffer design &The SLX FC M7130 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 boosts trail riding enjoyment Hollow forged crank maximizes power transfer while limiting weight HOLLOWTECH II Easier