![Shimano BB-UN100 Altus Square Tapered Bottom Bracket-73 x122.5mm longshine Total distance：0～99999 km [mile]](https://cdn.shopify.com/s/files/1/0014/4385/6450/products/shimano-bb-un100-altus-square-tapered-bottom-bracket-73-x1225mm.jpg?v=1571714387)
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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Total distance：0～99999 km [mile]
Use with 1/2" air driver (#53R4) or ratchet wrench
Designed for bikes with both 130/135mm dropout spacing
Hydraulic Disc Brake Lever
Mounts camera/video recorder to handlebar
Shimano BB-UN100 Altus Square Tapered Bottom Bracket-73 x122.5mm longshine Total distance：0～99999 km [mile]FEATURE Precision indexed SIS shifting Clean edges and contoured crank arm design Precise chain line control 3 crank length specification available 8 7 6 speed compatible Attractive crank arm fixing bolt available as option Precise chain line control BENEFIT Smooth, light and reliable shifting performance Quick and precise assembly Gear combination: 42 34 24T, 48 38 28T Superior quality and reliability at a great value Versatile performance and wide
