Short Description
The Shimano Ultegra FC-R8100 12-Speed Double Chainset delivers an exceptional balance of lightweight performance, stiffness and efficient power transfer for modern road cycling. Featuring a 52-36T semi-compact gearing setup, it is ideal for fast road riding, racing and endurance performance.
Key Features
- 12-Speed Optimised: Designed specifically for Shimano 12-speed road drivetrains
- Efficient Power Transfer: Hollowtech II crank construction maximises stiffness while reducing weight
- Fast Shifting: HollowGlide chainrings improve front shifting performance under load
- Semi-Compact Gearing: 52-36T chainring combination balances speed and climbing capability
- Modern Compatibility: Wider chainline improves frame and tyre clearance compatibility
Product Overview
The Shimano Ultegra FC-R8100 chainset is part of Shimano’s advanced 12-speed Ultegra road groupset, offering race-ready performance with lightweight efficiency and precise shifting. The Hollowtech II crank arms are engineered to provide excellent stiffness for efficient power transfer while keeping overall weight low. Its HollowGlide outer chainring improves rigidity and shifting precision, even during hard efforts and sprinting. The 52-36T semi-compact setup is a popular choice for riders seeking high-speed gearing with enough versatility for varied terrain, making it ideal for racing, fast club rides and endurance road cycling. :contentReference[oaicite:0]{index=0}
Specifications
- Brand: Shimano
- Series: Ultegra R8100
- Model: FC-R8100
- Product Type: Road bike chainset
- Speed: 2 × 12-speed
- Chainring Size: 52-36T
- Construction: Hollowtech II
- BCD: 110 mm
- Chainline: 43.5 mm
- Q-Factor: 146 mm
- Compatible Chain: Shimano HG 12-speed
- Material: Aluminium crank arms with HollowGlide chainrings
- Use: Road cycling, racing, endurance riding
Ideal For
- Road cyclists upgrading to Shimano 12-speed drivetrains
- Racing and fast-paced training rides
- Endurance and sportive cyclists seeking efficient gearing
- Riders wanting lightweight and responsive drivetrain performance
What’s Included
- 1 × Shimano Ultegra FC-R8100 12-speed double chainset
Care & Notes
Ensure compatibility with Shimano 12-speed road drivetrains before installation. Regularly inspect chainring wear and tighten crank fixing bolts to Shimano’s recommended torque settings for optimal performance and safety.
Why Buy From LK Bikes
LK Bikes offers premium cycling components from trusted brands, supported by expert advice, reliable service and strong aftersales support.
