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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
Replacement chainring bolts for 4-arm Shimano cranksets
ULTRA-ENDURANCE FORMULA
The new Ergopower control can be adjusted to fit hands of different sizes
Note: The Porteur suits stem bolt width (center-to-center) of 27mm
Shimano Ultegra FC-R8100 12 Speed Crankset Chainring:52/36 Replacement chainring bolts for 4-armUltegra's FC R8100 12 Speed Crankset maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but now with even more crank arm length options. Spanning 160 to 175 mm, it caters to smaller riders, triathletes and cyclists curious about shorter crank arms. An integral part of Shimano's 12 speed road lineup, the FC R8100 builds upon Shimano's legendary front shifting and transmission
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