Shimano 105 FC-R7100 2x12-Speed Crankset 50/34 172.5mm

Shimano 105 FC-R7100 12-speed crankset with 50/34 chainrings and 172.5 mm cranks, in black. For anyone building or upgrading a 105 12-speed drivetrain on a road bike.

• 50/34-tooth chainrings: a choice of ratios for flat roads and climbs
• 172.5 mm cranks: check the length you currently use
• For a HG 12-speed chain, pair it with a 12-speed drivetrain
• Hollowtech II interface: bottom bracket not included, must be purchased separately
• How to choose: check crank length, chainring teeth and bottom bracket interface

Technical specifications

• Crank length: 172.5 mm
• Chainring teeth: 50/34
• Speed: 12
• Bottom bracket interface: Hollowtech II, bottom bracket not included
• BCD: 110 Shimano Asymmetric
• Chainline: 44.5 mm
• Q-factor: 148 mm
• Chain compatibility: HG 12-speed
• Colour: Black

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.