Cranksets

Shimano Tourney FC-A073 crankset - 7/8-Speed compatible - SG-X Steel chainrings - Square taper JIS - Fixing bolts not included - Chainguard model

- FC-TY501-2 double crankset for 7 and 8 speed drivetrains - Simpler and faster shifting than triple cranks - 46-30 gearing, ideal for gravel, adventure, commuting & light touring - 48.8mm chainline, designed for 135mm QR and 142mm thru-axle frames - Crank bolts included - Requires LL123 square taper bottom bracket

Shimano's R9100 series crank arm achieves the ultimate in optimal power transfer. It does this through a broad Hollowtech II arm which sets the highest standards for stiffness and lightness. - Spindle Interface Type: Hollowtech II

- 2-PIECE CRANKSET for 142 mm or 148 mm O.L.D. frames - DYNAMIC CHAIN ENGAGEMENT+ improves chain engagement and retention - Q-factor 172 mm - Direct mount chainring - Chain Line 52 mm - 1x12-speed

Shimano Dura-Ace Left Crank Arm. - Spindle Interface Type: Hollowtech II

- Material: Aluminum - Chain Compatibility: HG 7-8 speed - Pedal Spindle: 9/16'' - Bottom Bracket: Not included - BB-UN26 or BB-UN55 110mm for double or 113mm for triple - Alloy outer chainring