The SLX FC-M7100-1 crank is completely redesigned and features direct-mount chainrings, special tooth profiles for better grip of the chain and a Q-factor of 172 mm.Shimano Dynamoc Chain Enagagment+Shimano Dynamoc Chain Enagagment+ is a special tooth profile for single chainrings in the application areas XC, enduro and trail.It improves the retention and guidance of the chain and facilitates pedaling even in rough terrain. The improved chain guide in each gear reduces abrasion and wear. - Purpose: MTB - Weight: 674 g - Details: - Case width: 68/73 mm - Aluminum chainrings - Not compatible with chain case - For 10-speed drives Crank - Q-factor: 172 mm Material - Small chainring: steel - Large chainring: aluminum Scope of delivery: 1x crankset SLX FC-M7100-2 2x12 chainrings - Number of chainrings: 2 chainrings - Gear ratio: 36/26 teeth Crank - Type: 4-arm crankset - Axle mount: 24mm - Bolt circle: without bolt circle mm - Bolt circle type: asymmetrical - Chainline: 48.8 mm - Compatibility circuit: 12-speed.