Shimano BB-UN26 Alivio Bottom Bracket W/ Fixing Bolt

  • Cartridge Bottom Bracket
  • Refined appearance
  • The shape and surface treatment offer an attractive design
  • Chainring: 33T, 38T (steel)
  • Color options: Black, Silver
MODEL NO BB-UN26
SERIES SHIMANO ALIVIO M4000 Series
Remarks * w/ Fixing Bolts
Structure_For chain case X
Axle length / shell width_YL117_68mm_(BC1.37) X* (CL:47.5)
Axle length / shell width_117.5_68mm_(BC1.37) X
Axle length / shell width_D-NL (122.5mm)_68mm_(BC1.37) X*
Axle length / shell width_LL123_68mm_(BC1.37) X (t=1.8)
Axle length / shell width_MM110_68mm_(BC1.37) X
Spindle_Square type X

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Once an order has been placed, we aim to process and ship from our warehouses within 48 hours. An email with tracking details will be sent as soon as items have shipped.

Delivery timelines depend on
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Returns & Exchange are eligible only in the following scenarios:
1. Was delivered in a damaged condition
2. Missing parts or accessories
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