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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
With six precision-fit sizes and a fold-out design
they feature a lightweight construction
even in wet or muddy conditions
Lightweight composite body with steel tool bits
the Zipp Service Course SL Alloy Road Stem delivers pro-level stiffness
Shimano ST-R8170 Ultegra Di2 Lever with BR-R8170 Disc Brake Caliper electronics With six precision-fit sizes andThe Shimano ST R8170 Di2 Lever with BR R8170 Disc Brake Caliper delivers refined control and performance for modern road riding. Featuring wireless Di2 electronic shifting, the ST R8170 lever offers crisp, precise gear changes with an ergonomic shape designed for comfort and responsiveness. Paired with the BR R8170 hydraulic disc brake caliper, it provides powerful, consistent braking in all conditions. Whether you're assembling a front or rear setup,