ZTTO JIS Square Taper Bottom Bracket - BSA 68mm Threaded

JIS square taper bottom bracket built for BSA 68mm threaded frame shells, with a 1.37in x 24TPI thread pitch that's ISO compatible. Aluminum/alloy cups house a sealed 2-bearing cartridge for smooth, low-maintenance rotation, weighing approximately 316g. Available in multiple axle lengths to match different crank and frame combinations. Suited to riders replacing a worn square-taper bottom bracket on a mountain or road bike with a BSA threaded shell.

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