Check the listing for details. MOJO Bottom Bracket 103 x 68 Square Taper Fixed Gear/Track - Sealed Cartridge. Condition: New. Listed at 20.99 USD. * 103mm spindle width - 68mm BB shell width * Cartridge sealed bearings* Steel cups * English threaded - 1.37"x24tpi (threads per inch)* 355g as shown* JIS square taper* Waterproof Crank bolts included Chromoly steel square taper spindle, cartridge sealed bearings. Made to JIS standards. Taper is not compatible with Campagnolo or ISO taper cranks. Uses standard Shimano BB cup tool. Spindle length is stamped into the spindle for easy identification. USA SELLER - DELIVERED IN DAYS, NOT WEEKS!FREE USPS 1st. Class shipping(All 50 states, territories, Puerto Rico, APO FPO, Palau) Returns are on a case-by-case basis. We accept returns for 2 reasons: Defective item, or sent the wrong item. We do NOT accept cancellations because sellers are charged for them. Purchase wisely. Ask us questions if you are unsure, we love to help.