Shimano UN300 British Thread Bottom BracketThis MTB bottom bracket is specifically designed for traditional chainsets and it is available in many different size options to select. It features a durable and hard-wearing sealed cartridge with a square tapered spindle fitting. Shimano has also equipped this version with maintenance-free sealed cartridge bearings, which keep out mud, dirt and water for a longer bearing life.Features: Use: MTB Axle Length: Multiple options available to select Axle Size: Multiple options available to select Thread: British Compatibility: Traditional chainsets Bearings: Sealed cartridge Spindle Fitting: Square taperedTechnologies: Narrow Body: Narrow body allows clearance for cable routing under the bottom bracket. Sealed Cartridge Bearings: 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. 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.
Splined bottom bracket designed for use with Shimano road Octalink crankset. Oversize BB spindle - large 22 mm diameter chrome-moly hollow pipe billet spindle reduces weight increases strength and rigidity Octalink splined axle/crank arm interface - results in a more rigid crank assembly compared to square tapered spindle Maintenance-free sealed cartridge design prevents corrosion and is easy to install Aluminium adapter Average weight 250 g
Tough genuine Shimano tools. USAGE For installation and removal of 20-tooth splined cartridge bottom bracket such as OCTALINK and square bottom bracket USP Economical and compact version of TL-UN66 Hardened steel for rigidity and durability COMPATIBILITY BB-UN/ES/6500/5500/7700/7703/7710/M952
Complete XT level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks. Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage. Set includes left and right hand cups 2.5 mm spacer inner cover and inner O-rings Sealed cups keep out dirt and water Maintenance free Compatible with 89.5 mm (with 2.5 mm spacer) and 92 mm shells 41 mm cup diameter Easy press-fit installation
Genuine Shimano HollowTech II bottom bracket assembly. Set includes left and right hand cups spacers inner cover and inner O-rings Light weight seal structure helps to remove vital grams Sealed cups keep out dirt and water Maintenance free Compatible with 68 mm and 73 mm shell Durable anodised finish Easy installation with TL-FC25 tool
Outboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsetsMinimal bearing interface gives superbly smooth rollingEasy installationBritish thread
Tool needed for installation and removal of Hollowtech II bottom brackets.This tool is supplied with Dura Ace and XTR cranksets but should be purchased separately for Ultegra 10sp XT and LX Hollowtech II systems.
Complete press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks. Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage Set includes left and right hand cups 2.5 mm spacer inner cover and inner O-rings Sealed cups keep out dirt and water Maintenance free Compatible with 89.5 mm (with 2.5 mm spacer) and 92 mm shells 41 mm cup diameter Easy press-fit installation
World renowned Dura-Ace precision engineered cranks designed for the rigours of the oval circuitHollowTech hollow forged aluminium crank arms for light weight without compromising stiffnessSplined Octalink fitting for Dura-Ace bottom bracket to create a strong and rigid interfaceCrank arms only chainrings available separatelyWeight: 505 grams (170 mm without chainring)Available in 165 170 and 172.5 mm crank arm lengths
Shimano UN66 cartridge bottom bracket cup installation tool for socket drive
Hard-wearing chrome-moly single sprocketAccurately machined to run straight and true ensuring an even tension in the chainEngineered to complement Dura-Ace track hubs
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 ✔