Carbon fiber arms with structural foam core provide excellent strength-to-weight. Tall teeth with alternating narrow and wide profiles retain chain over rough terrain.

• Hidden" chainring bolt threads into crank arm to enhance chainring stiffness
• Q-factor is 145mm

175mm, 10/11-Speed, 42t, 110 BCD, GXP Spindle Interface, Black 

• Number of Chainrings: Chain Retaining Single
• Chainline/Hub Compatibility: 130 Hubs , 135/142 Road Disc Hubs < 415 mm Chainstay
• Spindle Interface Type: SRAM/Truvativ GXP
• Chainring BCD: 110
• Color: Black
• Crank Intended Use: Cyclocross
• Crank Length (mm): 175
• Pedal Spindle: 9/16"
• Rings: 42
• Drivetrain Speeds: 11 , 10
• Defined Color: Black
• BB Included: No

172.5mm, 10/11-Speed, 42t, 110 BCD, GXP Spindle Interface, Black 

• Number of Chainrings: Chain Retaining Single
• Chainline/Hub Compatibility: 130 Hubs , 135/142 Road Disc Hubs < 415 mm Chainstay
• Spindle Interface Type: SRAM/Truvativ GXP
• Chainring BCD: 110
• Color: Black
• Crank Intended Use: Cyclocross
• Crank Length (mm): 172.5
• Pedal Spindle: 9/16"
• Rings: 42
• Drivetrain Speeds: 11 , 10
• Defined Color: Black
• BB Included: No

170mm, 10/11-Speed, 42t, 110 BCD, GXP Spindle Interface, Black 

• Number of Chainrings: Chain Retaining Single
• Color: Black
• Pedal Spindle: 9/16"
• Crank Length (mm): 170
• Crank Intended Use: Cyclocross
• Chainline/Hub Compatibility: 130 Hubs , 135/142 Road Disc Hubs < 415 mm Chainstay
• Rings: 42
• Spindle Interface Type: SRAM/Truvativ GXP
• Drivetrain Speeds: 11 , 10
• Defined Color: Black
• Chainring BCD: 110
• BB Included: No