Shimano 105 FC-R7100 crankset 2x12-speed 52/36 teeth, 172,5mm

The Shimano 105 FC-R7100 crankset is designed for those fitting a 12-speed drivetrain to a road bike. With 52/36-tooth chainrings and 172.5mm crank arms, it is suitable for fast rides and climbs.

• Forged hollow aluminium crank arms, stiff and durable for road riding
• 52/36-tooth double chainring: high gears on the flat and agile gearing for climbs
• Designed for Shimano 12-speed drivetrains, with an HG+ chain recommended
• Bottom bracket not included: SM-BBR60 (BSA/Italian) or SM-BB72-41B (PressFit) is required
• 172.5mm crank arm length: check that this is the right size for you

Technical specifications

• Crank arm length: 172.5 mm
• Chainring teeth: 52-36T
• Crank arm material: Forged hollow aluminium
• Q-factor: 148 mm
• Chainline: 44.5 mm
• BCD: 110/80 mm (asymmetrical)
• Standard: HOLLOWTECH II
• Compatibility: Shimano 12-speed drivetrains for road bikes
• Bottom bracket: Not included, threaded, 68/70 mm shell
• Colour: Black