DONGLING Square-Taper Bicycle Bottom Bracket, 68 x 121.5 mm

Description

• Well-lubricated bearing structure with a steel shell that absorbs bottom-bracket shell roundness tolerances during installation.
• Two-ball-bearing precision-thread design for easier connection to the bicycle crank arm.
• Sealed cartridge bearing with a single-insert stop helps protect against dirt, mud, and water and requires no maintenance.
• Threaded steel bottom-bracket shell for mountain bikes, road bikes, and other bicycles.
• Professional after-sales support available; responses are provided within 24 hours.

Specifications: axle made of boron steel; sealed cartridge bearing; shell width: 68 mm; BSA thread: BC1.37 x 24T. Available sizes: 68 x 103 mm, 68 x 107 mm, 68 x 110.5 mm, 68 x 113 mm, 68 x 115 mm, 68 x 118 mm, 68 x 120 mm, 68 x 121.5 mm, 68 x 122.5 mm, 68 x 124.5 mm, 68 x 126 mm, and 68 x 127.5 mm. Package contents: 1 bottom bracket and 2 hex socket bolts.

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