Box Two™ Square Taper Cromo 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.
BB Shell Width (mm): 68/73mm
- Frame Interface: English
- Spindle Interface: Square Taper JIS
- Forged and CNC-Machined Alloy Cups
- 108mm (Micro, Mini, Junior, Expert Frames)
- 246 grams