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biomechanics and engineers have an unprecedented possibility: to design and manufacture multiple functional zones within the saddle
plus the ability to eliminate headset spacers
Folding bead
Air-Liner increases control
Shimano Ultegra FC-R8100 12 Speed Chainring Size:36t biomechanics and engineers have anChainring for the Shimano Ultegra FC R8100 and FC R8100 P 2x12 speed cranksets. The 110 mm bolt circle diameter ensures fast, smooth shifting, and for weight optimization, the outer ring also features a Hollowglide construction that still delivers extreme stiffness. Specifications Outer: aluminum (anodised), carbon fiber reinforced plastic (CFRP) Inner: aluminum (anodised) Mfr Claimed Weight TBC Refresh your Ultegra front shifting with this chainring,
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