Shimano Ultegra FC-R8100 Left Crank Arm

The Shimano Ultegra R8100 left crank arm is the perfect choice for road cyclists seeking exceptional performance. Thanks to the Hollowtech II generation, this crank arm reduces weight without compromising strength, ensuring optimal power transfer and fast, precise front shifting. Available in various lengths, it integrates seamlessly with the 12-speed Ultegra R8100 crankset from the same range. This premium crank arm boosts performance with every pedal stroke!

The Shimano Ultegra R8100 left crank arm is compatible with the same 12-speed Ultegra R8100 crankset. Available in 4 lengths, 165, 170, 172,5 and 175 mm, it complements the right crank arm and chainrings to form a complete crankset. It reduces weight and maintains strength for better power transfer and faster, more precise front shifting.

Features:

• Use: Road
• Lengths: 165, 170, 172,5 and 175 mm
• Speed: 12
• Hollowtech II generation
• Reduces weight and maintains aerodynamic resistance for better power transfer and faster, more precise front shifting

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.