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Mahogany paper grain — description and returns beneath the overlapping buy card.
optimized for all-around use
Equipped with a chain cover and integrated fenders on select models
You want a bike that looks good
ride to class
Stable down to -30 degrees Fahrenheit
Shimano Ult Fc-R8100 172.5 34X50 AMAZON optimized for all-around useAn integral part of the Shimano Ultegra 12 speed road lineup, the FC R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12 speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements. 148mm Q factor 44. 5mm chainline Optimal balance of