Shimano

BB-M950 O-ring is product number 4 in the attached imageGenuine Shimano replacement part..

Genuine Shimano HollowTech II bottom bracket assemblySet includes left and right hand cups, spacers, inner cover, and inner O-ringsLight weight seal structure helps to remove vital gramsSealed cups keep out dirt and waterMaintenance freeCompatible with 68 mm and 73 mm shellDurable black anodised fin..

Genuine Shimano HollowTech II bottom bracket assemblySet includes left and right hand cups, spacers, inner cover, and inner O-ringsSealed cups keep out dirt and waterMaintenance freeCompatible with 68 mm and 73 mm shellDurable anodised finishEasy installation..

Complete Saint level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranksCups 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-ringsSealed cups keep out dirt and waterMain..

Complete XT level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranksCups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageSet includes left and right hand cups, 2.5 mm spacer, inner cover, and inner O-ringsSealed cups keep out dirt a..

HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiencyHollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durabilityUse TLFC37 or TLFC25 in conjunction ..

The bottom bracket bearings for the HollowTech II FCR9100 crankset, which is the ultimate crankset for stiffness whilst keeping weight low for performance riding and racingMinimal bearing interface gives superbly smooth rotationDistinctive style that exudes quality and perfectionRequired for i..

Complete press-fit bottom bracket assembly for Shimano HollowTech II road cranksCups 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-ringsSealed cups keep out dirt and waterMaintenance fre..

Outboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsetsMinimal bearing interface gives superbly smooth rollingEasy installationBritish thread..