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
Complete XT level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks. The cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage. Also as they're sealed they keep out dirt and water. Set includes left and right hand cups, 2.5 mm spacer, inner cover, and inner O-rings. Compatible with 89.5 mm (with 2.5 mm spacer) and 92 mm shells.41mm cup diameter.
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
Genuine Shimano HollowTech II bottom bracket assembly, includes left and right hand cups, spacers, inner cover, and inner O-rings. Light weight seal structure helps to remove vital grams while the sealed cups keep out dirt and water for simple maintenance free use.Compatible with 68 mm and 73 mm shellDurable black anodised finishEasy installation with use of TLFC36 adaptor tool for installation and removal
Complete Ultegra level press-fit bottom bracket assembly for Shimano HollowTech II road 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, inner cover, and inner O-rings.Compatible with 86.5 mm shells41 mm cup diameterApprox Weight: 63g
This XT level press-fit bottom bracket assembly is designed for Shimano HollowTech II MTB cranks and features fibre reinforced polymer cups to reduce the risk of noise and frame damage during installation/removal. The sealed design protects the bearings from dirt and water ingress, and ensure the product is maintenance free during it's lifespan. Suitable For 89.5mm Or 92mm BB Shells.
Genuine Shimano HollowTech II bottom bracket assembly. Set includes left and right hand cups, spacers, inner cover, and inner O-rings. The length of screw thread is increased to enable the fitment of BB mount chain devices if needed. Light weight seal structure helps to remove vital grams, and the sealed cups keep out dirt and water for a simple maintenance free set up.
Shimano Dura-Ace groupset is designed to be the best and the Dura-Ace BB-R9100 Bottom Bracket is no different! Incredibly light yet highly durable, the BB-R9100 uses minimal bearing interfaces to reduce drag, saving precious watts over the course of ride. Despite this and the associated smaller bearings, the BB-R9100 is incredibly durable, able to run smoothly in even the worst conditions. Designed for 24mm axle Hollowtech II chainsets, the Shimano Dura-Ace BB-R9100 Bottom Bracket is perfect for riders looking for it all from their bottom bracket; smooth performance, drag-free running teamed with fit and forget durability.
Complete Saint 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 while sealed cups keep out dirt and water adding to increased durability and reliability.Set includes left and right hand cups,inner cover, and inner O-rings.Compatible with 83mm shells41 mm cup diameter
Shimano BB-RS500 Bottom Bracket bearing cups for use with 2-piece cap-free design for road chainsets.Minimal bearing interface gives superbly smooth rollingEasy installationBritish or Italian thread
The ES300 is a splined bottom bracket for use with Shimano Octalink chainsets, available in a number of shell widths and spindle lengths. The cartridge design allows easy installation without the need for adjustment.Featuring an oversized 22mm diameter hollow cold forged Cr-Mo spindle and Shimano's Octalink design, the ES300 bottom bracket is stiff, strong and lightweight giving a more efficient pedaling platform and improved power transfer compared to traditional square tapered spindles.The sealed cartridge assembly with oversized ball bearings and maintenance free high efficiency rubber seals keep out dirt, mud and water, increasing performance and lengthening service intervals.
The ES300 is a splined bottom bracket for use with Shimano Octalink chainsets, available in a number of shell widths and spindle lengths. The cartridge design allows easy installation without the need for adjustment.Featuring an oversized 22mm diameter hollow cold forged Cr-Mo spindle and Shimano's Octalink design, the ES300 bottom bracket is stiff, strong and lightweight giving a more efficient pedaling platform and improved power transfer compared to traditional square tapered spindles.The sealed cartridge assembly with oversized ball bearings and maintenance free high efficiency rubber seals keep out dirt, mud and water, increasing performance and lengthening service intervals.