Box Two Bottom Bracket Square Taper Chromoly

Box Two™ Square Taper Chromoly Bottom Brackets are the best option for young BMX racers and other users of three-piece cranks in search of an affordable, high-performance square taper bottom bracket. Each bottom bracket is hand-assembled with a Chromoly spindle, sealed bearings, forged and CNC-machined alloy cups, and a composite center spacer/seal.

Specifications: 

• Process: CNC-Machined Cups
• Material:
• Spindle: Chromoly
• Cups - Alloy
• Sleeve - ABS Plastic
• Finish: Nickel Coating
• Spindle Type: JIS Square Taper
• Spindle Length: 108mm or 113mm
• Shell Width: 68mm
• Thread: 1.37" x 24 TPI
• Compatibility: BSA Threaded
• Weight [108-113] (+/- 5%): 272 g / 9.6 oz