Shimano SM-BBR60 is a HOLLOWTECH II threaded (BSA) road bottom bracket with low-friction sealed bearings for smooth, reliable performance. Smooth-running HOLLOWTECH II BB — genuine Shimano, brand new. Will it fit? This is a BSA threaded (1.37 x 24T) bottom bracket for HOLLOWTECH II road cranks (24mm spindle). For Shimano 105/Ultegra/Dura-Ace and compatible HOLLOWTECH II road cranksets. Key Specifications Brand Shimano Series Shimano SM-BBR60 MPN ISMBBR60B UPC 779020458 Type Bottom Bracket Mount/Interface BSA Threaded Material Aluminum / steel Weight 77 g (2.7 oz) Color Silver / Black Country of Origin Japan Condition Brand new — original Shimano retail packaging Technology Highlights ✓ Sealed cartridge bearings — smooth, low-friction, weatherproof running. ✓ HOLLOWTECH II — stiff, light external-bearing interface. ✓ Easy service — standard BSA threading for simple installation. What's in the Box 1 × Shimano SM-BBR60 bottom bracket (BSA, drive + non-drive cups) Documentation (as supplied) Original Shimano retail packaging Brand new in retail packaging. Ships from Ontario, California (US domestic) · Estimated delivery 3–5 business days · Free 30-day returns.
