Rotor UBB4630 Steel Bottom Bracket"The motive for the UBB 4630 was to address challenges related to bottom bracket installation and durability with specific frames," said David Martinez, head of engineering at Rotor.The UBB 4630 Bottom Bracket uses a threaded sleeve that locks both cups in place, increasing the stiffness of the bottom bracket shell. It also eliminates one the most common and frustrating issues with pressfit bottom brackets, creaking, while ensuring free and smooth spinning cranks. As perfect alignment is achieved, you can expect longer bearing life and the sleeve prevents cables and guides rubbing against moving parts.Features: Material: 7000 series Aluminium Threaded installation Weight: 109gBuy Rotor Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Rotor 30mm Track BSA Bottom BracketThis superb bottom bracket is specifically designed for track cycling. Additionally, its stainless steel construction provides lower friction and increased stiffness. Finally, this high-quality model is suitable for use with 30mm axle standards, so you can enjoy maximum performance.Features: Material: Stainless Steel Compatibility: 30mm axles Use: Track Low friction bearings Stiff Reduced weightBuy Rotor Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Key Features:1 1/8" External Bottom Cup,Fits Headtube Diameters Of 34mm,For 1 1/8" - 30mm Steerers,Sealed Cartridge Bearing.
Key Features:1 1/8" Internal Bottom Cup,Fits Headtube Diameters Of 41mm,For 1 1/8" - 30mm Steerers,Sealed Cartridge.
Key Features:1 1/8" Zero Stack Bottom Cup,Fits Headtube Diameters Of 49mm,For 1 1/8" - 30mm Steerers,Sealed Cartridge Bearing.
1 1/8" Zero Stack Bottom Cup,Fits Headtube Diameters Of 44mm,For 1 1/8" - 30mm Steerers,Sealed Cartridge Bearing.
1.5" External Bottom CupFits Headtube Diameters Of 49mm,For 1.5" - 40mm Steerers,Sealed Cartridge Bearing.
The Seal BMX Mid Bottom Bracket features ultra-smooth, fully sealed bearings and is available for both 19mm and 22mm axle sizes.
The Seal BMX American Bottom Bracket features ultra-smooth fully sealed bearings and is suitable for 19mm axle sizes.
Seal BMX Mid BMX Bottom BracketThe Seal BMX Mid Bottom Bracket features ultra-smooth, fully sealed bearings and is available for both 19mm and 22mm axle sizes.Features: Compatibility: Mid BB shell, available to fit 19mm or 22mm axle sizes Ultra-smooth, fully sealed bearingsBuy Seal BMX Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Seal BMX American BMX Bottom BracketThe Seal BMX American Bottom Bracket features ultra-smooth, fully sealed bearings and is suitable for 19mm axle sizes.Features: Compatibility: American BB shell, for 19mm axle sizes Ultra-smooth, fully sealed bearingsBuy Seal BMX Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano UN26 68x113 Square Taper Bottom Bracket SilverShimano's UN26 bottom bracket provides smooth rotation for square taper chainsets. Maintenance-free cartridge bearings keep dirt and mud at bay, extending bearing life for long-lasting durability.