A good quality bottom bracket for traditional chainsets constructed with super-accurate bearings for smooth operation and improved durability. FEATURES SHIMANO quality/performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available Standard E-type chain case options Adapter material: Aluminum PRODUCT SPECIFICATIONS MODEL NO BB-UN300 SERIES TOURNEY A070 Series Remarks * w/ Crank arm fixing screws spec. only ** w/ Crank arm fixing screws spec. is available Structure_Standard ✔ Axle length/shell width (mm)_107_68 (BC1.37) ✔ Axle length/shell width (mm)_LL113_73 (BC1.37) ✔ Axle length/shell width (mm)_D-H_68 (BC1.37) X * Axle length/shell width (mm)_117.5_68 (BC1.37) X ** Axle length/shell width (mm)_XL118_68 (BC1.37) X ** Axle length/shell width (mm)_XL118_73 mm ✔ Axle length/shell width (mm)_D-NL 122_68 (BC1.37) X ** Axle length/shell width (mm)_D-NL 122_73 (BC1.37) X * Axle length/shell width (mm)_D-EL 127_68 (BC1.37) X * Axle length/shell width (mm)_LL123_68 (BC1.37) ✔ Axle length/shell width (mm)_LL123_73 (BC1.37) ✔ Axle length/shell width (mm)_LL113_68 (BC1.37) X ** Axle length/shell width (mm)_MM110_68 (BC1.37) X ** Spindle_Square type ✔
Features:A good quality bottom bracket for traditional chainsets,Super-accurate bearings for smooth operation and improved durability,Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting,Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life,Fast and easy installation without adjustment,Narrow body allows clearance for cable routing under the bottom bracket.
The Shimano BB-UN300 Square Tapered is a good quality bottom bracket for traditional chain sets with super-accurate bearings for smooth operation and improved durability. It uses a maintenance-free sealed cartridge bearing assembly that keeps out dirt, mud, and water for long bearing life.A good quality bottom bracket for traditional chain setsSuper-accurate bearings for smooth operation and improved durabilityDurable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fittingMaintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing lifeFast and easy installation without adjustmentNarrow body allows clearance for cable routing under the bottom bracket
The Shimano BB-UN300 Square Tapered is a good quality bottom bracket for traditional chain sets with super-accurate bearings for smooth operation and improved durability. It uses a maintenance-free sealed cartridge bearing assembly that keeps out dirt, mud, and water for long bearing life.A good quality bottom bracket for traditional chain setsSuper-accurate bearings for smooth operation and improved durabilityDurable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fittingMaintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing lifeFast and easy installation without adjustmentNarrow body allows clearance for cable routing under the bottom bracket
The Shimano BB-UN300 Square Tapered is a good quality bottom bracket for traditional chain sets with super-accurate bearings for smooth operation and improved durability. It uses a maintenance-free sealed cartridge bearing assembly that keeps out dirt, mud, and water for long bearing life.A good quality bottom bracket for traditional chain setsSuper-accurate bearings for smooth operation and improved durabilityDurable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fittingMaintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing lifeFast and easy installation without adjustmentNarrow body allows clearance for cable routing under the bottom bracket
A good quality bottom bracket for traditional chainsets,Super-accurate bearings for smooth operation and improved durability,Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting,Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life,Fast and easy installation without adjustment,Narrow body allows clearance for cable routing under the bottom bracket.
This Shimano BB71 mountain bike bottom bracket features cups that are made from a fibre reinforced polymer material, which reduces the risk of frame noise and damage. It also comes equipped with sealed cups that keep out dirt and water, making it suitable for all-weather and terrain conditions. Technologies: - Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage. - Set includes left- and right-hand cups, 2.5mm spacer, inner cover, and inner O-rings. - Sealed cups keep out dirt and water. - Maintenance-free. - Compatible with 89.5mm (with 2.5mm spacer) and 92mm shells. - 41mm cup diameter. - 24mm inner bearing diameter. - Easy press-fit installation. - Shimano XT.
Shimano BB71 MTB Press Fit Bottom BracketShimano MTB BB71 press-fit bottom bracket designed to work with HollowTech II MTB cranks. Suitable for MTB bottom bracket shells with a 41mm cup diameter.Features:Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageSet includes left- and right-hand cups, 2.5mm spacer, inner cover, and inner O-ringsSealed cups keep out dirt and waterMaintenance freeCompatible with 89.5mm (with 2.5mm spacer) and 92mm shells41mm cup diameter24mm inner bearing diameterEasy press-fit installationShimano XT
The cups in this Shimano BB71 road bottom bracket are made from a fibre reinforced polymer material, which reduces the risk of frame noise and damage. It also includes left and right-hand cups, an inner cover, and inner O-rings.
Shimano BB71 Road Press Fit Bottom BracketThe Shimano BB71 Road Press Fit Bottom Bracket is a high-quality Ultegra level bottom bracket component for use with Shimano HollowTech II road chainsets.The cups in this road bike bottom bracket are made from a fibre reinforced polymer material, which reduces the risk of frame noise and damage and the set includes left and right-hand cups, inner cover, and inner O-rings.Features: Sealed cups keep out dirt and water Maintenance-free Compatible with 86.5mm wide bottom bracket shells 41mm cup diameter Easy press-fit installation Manufacturer Reference Code: SM-BB71-41BBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano BB72 Road Press Fit Bottom BracketComplete press-fit bottom bracket assembly for Shimano HollowTech II road cranks. Features: Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageSet includes left and right hand cups, inner cover, and inner O-ringsMaintenance freeCompatible with 86.5 mm shells41 mm cup diameterEasy press-fit installation A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano BB92 Road Press Fit Bottom BracketThis road bike specific Shimano bottom bracket is simple to install and gives you a smooth rotation on every ride. The cups are made from a durable reinforced polymer and are fully sealed to protect the bearings from the elements. It's compatible with all of Shimano's Hollowtech II chainsets and other brands that use 24mm spindle diameters. This bottom bracket is ideal for replacing your worn out one or for upgrading from your bike's factory fitted model.Features:Material: Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageType: BB92 pressfitFor Bottom Bracket Shell Size: Compatible with 86.5x41mm Pressfit typeCup Diameter: 41mmCompatibility: Suits chainsets with 24mm axles (eg. all Shimano Hollowtech II chainsets)Sealed cups keep out dirt and waterMaintenance freeEasy press-fit installationSet includes left and right hand cups, inner cover, and inner O-ringsUpgraded bearings compared to BB72 modelManufacturer's Reference Code: BB9241BA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.