Rotor PF46 Steel Road Bottom BracketRotor's Press Fit bottom bracket bearings are compatible with all BB90 Press-Fit system frames that are manufactured to Shimano specifications. The new, advanced non-contact Labyrinth seals yield a buttery-smooth spin with unparalleled protection against dust, water and mud.Ultra rigid plastic caps give high compression and deformation resistance, facilitating crisp shifting. Available with steel or ceramic bearings. Constructed of CNC machined 7075 aluminium. Adaptor cups and bearings for the installation of 24mm cranks in BB30 PF frames.Features: Adaptor cups and bearings for the installation of 24mm cranks in BB30 PF frames.Steel (black) 137g.Anodized and lasered Aluminium cups.Lathe & CNC produced anodized AL cups with T6 annealing.High quality silicone external seals and inner seal tube prevent bearing contamination, increasing BB service life.Buy Rotor Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
The new, advanced non-contact labirynth seals yield a buttery-smooth spin with unparalleled protection against dust, water and mud. Ultra rigid plastic caps give high compression and deformation resistance, facilitating crisp shifting.
The new, advanced non-contact Labyrinth seals yield a buttery-smooth spin with unparalleled protection against dust, water and mud. Ultra rigid plastic caps give high compression and deformation resistance, facilitating crisp shifting. Constructed of CNC machined 7075 aluminium. Adaptor cups and bearings for the installation of 24mm cranks in BB30 PF frames.
Ceramic Bottom Bracket compatible with 30mm axle chainsets.
Rather than relying on the pressfit shell for alignment, the UBB4630's threaded sleeve locks both cups in place, increasing BB shell stiffness. This also ensures a smooth, uniform spin free from creaks that often plague pressfit while preventing bearing overload. The perfect alignment also means longer bearing life while the sleeve also prevents cable guides rubbing against rotating parts. "The motive for the UBB4630 was to address challenges related to bottom bracket installation and durability with specific frames," said David Martinez, head of engineering at Rotor.
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 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 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.
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.
1.5" External Bottom CupFits Headtube Diameters Of 49mm,For 1.5" - 40mm Steerers,Sealed Cartridge Bearing.