Shimano Ultegra FC-R8100 12-speed crankset, 172.5mm, 50/34T
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Shimano Ultegra FC-R8100 12-speed crankset, 172.5mm, 50/34T is backordered and will ship as soon as it is back in stock.
The Shimano Ultegra FC-R8100 crankset is an integral part of the Ultegra 12-speed groupset, renowned for its exceptional balance between stiffness, lightness and transmission performance .
Thanks to its Hollowglide design, this crankset offers optimal power transfer while reducing weight. The 50/34T chainrings provide an excellent balance between speed and climbing efficiency, while 12-speed compatibility ensures smooth and precise shifting , even under load.
Designed for demanding cyclists, the FC-R8100 stands out with its optimized geometry (148mm Q-factor, 44.5mm chainline), offering a natural and efficient pedaling experience. It appeals to both competitive cyclists and enthusiasts seeking performance and reliability in a premium Shimano design.
TECHNICAL SPECIFICATIONS
• Series: Shimano Ultegra R8100
• Speed: 2 × 12 speeds
• Crank arm length: 172.5 mm
• Chainring combination: 50/34T (compact)
• Technology: Hollowglide / Hollowtech II
• Q factor: 148 mm
• Chain line: 44.5 mm
• Bottom bracket compatibility: Shimano Hollowtech II (not included)
• Chain compatibility: Shimano 12-speed (CN-M8100, CN-M9100, etc.)
• Material: Forged hollow aluminum
• Weight: Approximately 714 g (50/34T, 172.5 mm)
• Use: Road bike / performance
• Color: Ultegra Metallic Gray
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