Wheels Manufacturing External Bottom Bracket


BSA MTB Threaded bottom bracket.

$119.99 / each

Store Pickup
Available in Whistler
FREE Store Pickup
Standard Shipping
FREE Canada-wide shipping over $149.


BSA MTB Threaded bottom bracket.

  • External English (BSA) threaded bottom bracket for 73mm shells.
  • Only Enduro bearings are used and silicone seals for the most durable and smoothest bottom brackets available.
  • Longer cup/thread depth for better support for the high loads associated with mtb
  • Fully serviceable.


  • x2 – Enduro Silicone dust seals
  • x1 – 2.5/1.8/0.7mm aluminum BB cup spacers for use with 68mm wide BB shell
  • x2 – 0.5/1.0mm crank spindle spacers
  • Bearings: Enduro ABEC-3 / Enduro Angular Contact


  • Color: Black
  • Bottom Bracket/Frame Interface: ISO/English or BSA Threaded (1.37 in x 24 TPI)
  • Bottom Bracket Shell Width (mm): 68-73mm
  • Bottom Bracket Shell I.D.: 33.6-33.9 mm
  • Crank Spindle Type: HollowTech II (Shimano, FSA, Etc.) / SRAM/Truvativ 22/24mm
  • Crank Spindle Diameter: 24mm or 22/24mm
  • Weight: 101-116g

Product Information

Type_Product SKUStock LevelPriceSale PriceManufacturer Number (MPN)
Sram-dub811079025609In stock $119.99--

Our Brands