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Promax

Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Blue

  • Item # CR3553
$54.99
Spring Sale - Discount Applied Automatically At Checkout
Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Blue. 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
    • TECH SPECS
    Defined Color Blue
    Spindle Interface Type Shimano Hollowtech II
    BB Shell Width (mm) 68
    BB Shell Width (mm) 73
    Weight 102.9
    Spindle Interface Type FSA MegaExo
    Bore 24mm
    BB Style Euro
    Spindle Interface Type FSA MegaExo Light
    BB/Frame Interface English
    Bottom Bracket Shell I.D. 1.37
    Spindle Interface Type RaceFace EXI
    SHIPPING
    • Most items from our online catalog ship free on orders $25+
    • Heavier/Larger items that are excluded from our free shipping have a flat rate shipping
    • Expedited shipping is availble. If available in your area, this will be an option at checkout
    • Complete bicycles ship with a flat rate of $75. E-bikes may incur more costs due to weight/size/battery configurations
    • See the delivery FAQs for details on shipping methods, costs and delivery times
    • Local pickup is available on all items at our retail stores. Please note will-call orders are available within 1-2 business day from purchase. You will receive an email stating your order has been fulfilled once it is ready.
    RETURNS AND EXCHANGES
    • Used items, demo bikes, and closeout items are excluded from this policy
    • You may return your purchase within 45 days of purchase
    • Complete bikes (including youth bikes) are not eligible for return
    • All returns must be unopened in new condition upon return. We do not accept returns on open items as we cannot resell them
    • Buyer pays return shipping, unless a mistake was made on the order (i.e. wrong item shipped)
    • Free Exchanges towards any item in our store

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