julio 22, 2026
julio 22, 2026
SC-1 bottom brackets are the perfect choice for those who still prefer the low weight and simplicity of square taper cranks. Each bottom bracket is hand assembled using a hollow chromoly spindle, precision sealed bearings, forged and CNC-machined alloy cups and a composite center spacer/seal. CNC-machined alloy cups. JIS square taper. Hollow chromoly spindle. Chainline with a 113 BB spindle: 42.3. Q-Factor with a 113 BB spindle: 151.1. Item Specifications: Weight, 253, BB/Frame Interface, English, Spindle Interface Type, Square Taper JIS, BB Shell Width, 68, Defined Color, Black, Bottom Bracket Shell I.D., 1.37", Spindle Length, 113,.
julio 22, 2026
FSA PowerPro JIS Cartridge Bottom Brackets.Includes bolts. Forged chromoly spindle for JIS square taper. Industrial 6002KRS cartridge sealed bearings. Cold forged aluminum cups. Double seals for water and dirt protection. Item Specifications: BB Shell Width (mm), 68, BB/Frame Interface, English, Bottom Bracket Shell I.D., 34, Defined Color, Silver, Spindle Interface Type, FSA JIS, Spindle Length, 113, Weight, 295,.
julio 22, 2026
Pulled from a clean GT Zaskar donor and cleaned up for its next build. * Shimano Deore XT BB-UN72 sealed cartridge bottom bracket * 113mm spindle * English/BSA threaded * Square taper (JIS) * Made in Japan * Spins smoothly with no noticeable play * Original Shimano lockrings/cups included * Cosmetic wear from normal installation and removal as shown Please review all photos for cosmetic condition and confirm compatibility with your build before purchasing. Packed with care and shipped fast from Southern California.
julio 22, 2026
Feels very smooth, please see the pictures as part of the description. bolts included!
julio 22, 2026
Material Cup Body: Steel. Shell: 73mm. Bearings: Sealed. Length: 113 OR 122.5mm. Spindle: Chromoly.
julio 22, 2026
170mm crank length, BB is not perfectly smooth, might need a service or bearing change
julio 22, 2026
julio 22, 2026
julio 22, 2026
Brand New Sealed FSA Platinum Pro Titanium BB ISIS is a high-quality bottom bracket designed for mountain bikes. Made of aluminum, this bottom bracket features a 68mm shell width and a spindle type of ISIS, which is compatible with Shimano systems. With a sleek black color and the FSA brand name, this model is known for its durability and performance. The set includes the bottom bracket and has a length of 109mm, making it a reliable choice for serious cyclists looking to upgrade their bike's components.
julio 22, 2026
Spindle Length: 108mm or 113mm. Spindle Type: JIS Square Taper. • Spindle: Titanium. Finish: Titanium Nitride Coated. • Sleeve: Carbon Fiber. Thread: 1.37" x 24 TPI.
julio 22, 2026
vintage shimano mountain bike bb-un52-e 68x 113 bottom bracket. for e type bottom bracket mount front derailleur