Original Shimano external chainring specific for Ultegra R8100 / R8100 Power Meter 12 speed crankset. Shimano Hollowglide hollow construction to reduce weight, aluminum and carbon fiber composite.
FEATURES:
- Use: Road
- Series: Ultegra R8100
- Transmission compatibility: Shimano 12v
- Speed: 2x12
- Mounting: 4 holes (asymmetrical)
- Bolt circle circle (BCD): 110 mm
- Material: Aluminum / CFRP
- Weight (manufacturer): 120 gr.
- Black colour
COMBINATIONS
- 50 teeth: for 50-34T
- 52 teeth: for 52-36T