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Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black
4.5 (85 items)
Limited Time SaleUntil the end
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$32.99 cheaper than the new price!!
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New $54.99
Product details
| Management number | 236509926 | Release Date | 2026/07/09 | List Price | $22.00 | Model Number | 236509926 | ||
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EX-1 External bottom brackets feature cold-forged and CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings. They are the perfect match to Promax CF-2 and HF-2 cranks and ultimate upgrade to the budget BBs sold with most crank sets.
- Fits all 24-millimeter bottom bracket spindles and frames with 68 or 73 x BC1.37” bottom bracket shells
- Spindle Interface Type: Shimano Hollowtech II , FSA MegaExo , FSA MegaExo Light , RaceFace EXI
- BB Shell Width (mm): 68 , 73
- Bottom Bracket Shell I.D.: 1.37
- Defined Color: Black
- BB/Frame Interface: English
- Weight: 102.9
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