Shimano BB-UN300 bottom bracket British thread (BSA)

Shimano Dura-Ace BB-7700 Dura-Ace Bottom Bracket

Shimano XTR BB-M980 XTR Bottom Bracket - English Thread Cups - 68 / 73 mm - Black

Shimano Deore SM-BB52 Deore outboard bearing bottom bracket set - British thread

Shimano Ultegra 6800 English Thread Bottom Bracket

Shimano ES300 Octalink Bottom Bracket

Shimano Octalink ES51 BSA Bottom Bracket

Shimano Dura Ace BB-R9100 Bottom Bracket BSA 68mm Black

Shimano Dura Ace BB-R9100 Bottom Bracket ITA 70mm Black

Shimano 105 BB-5500 Octalink Bottom Brackets

Shimano SM-BB71 MTB press fit bottom bracket with inner cover for 92 or 89.5mm

Shimano SM-BB71 Ultegra Road Press Fit Bottom Bracket 86.5 mm

The Shimano SL-M8210 is a single-shift Deore XT lever developed for high-torque e-MTB use, limiting each lever throw to one gear change to protect the cassette and chain from damage under motor-assisted load. Key Features Vivid indexing keeps shift lever force consistent across all 12 sprockets Instant Release and 2-Way Release for fast shifting from any hand position Single shift only (one gear change per throw), reducing non-gated shifts on high-torque e-MTBs Multi-bearing design uses two ball bearing units for low-friction, reliable shift action One-piece lower alloy thumb release lever with replaceable anti-slip rubber for sharp, precise shifts Clean internal cable routing Multi-position I-Spec EV handlebar mount, attaching directly to an I-Spec EV brake lever Compatibility 12-speed e-MTB transmissions, single shift only Requires an I-Spec EV compatible brake lever Right hand only Specification Drivetrain 12-speed (e-MTB, single shift) Hand Right Mount I-Spec EV Weight 330g Included / Not Included Included: 1x SL-M8210 single-shift lever Not included: brake lever, cassette, chain

Shimano BB-7710 Dura-Ace Track bottom bracket 68 - 109.5 mm without seals

Shimano Road press fit bottom bracket with inner cover, for 86.5 mm