The SHIMANO Ultegra Crankset 12s F CR8100 P Powermeter (NO CHAINRINGS) in Shadow Grey is a dual-sided power meter crankset designed for road cycling applications. This product is intended for riders seeking precise power measurement and compatibility with 12-speed Shimano road drivetrains. Chainrings are not included, allowing for customization based on rider preference.

• Brand: SHIMANO
• Model: Ultegra CR8100-P Powermeter
• Crankset designed for 12-speed Shimano road systems
• Integrated dual-sided power measurement
• Does not include chainrings
• Constructed from lightweight aluminum alloy
• Bluetooth and ANT+ wireless connectivity for data transmission
• Rechargeable lithium-ion battery
• Available in multiple crank arm lengths
• Shadow Grey finish

This crankset is compatible with Shimano Hollowtech II bottom brackets and is intended for use with Shimano 12-speed road groupsets. Calibration and firmware updates are supported via Shimano's dedicated software.

Available Variants:

165mm: 4550170821227
170mm: 4550170821135
172.5mm: 4550170172824
175mm: 4550170821173