Sinz Square Tapered BMX Bottom Bracket — available in Junior (steel body, alloy cups, chromoly spindle), Pro (alloy body, sealed bearings), and Titanium (titanium spindle, alloy cups). Each in 108mm and 113mm spindle length for different frame BB shell widths. The Junior spec is the entry-level functional option; Pro adds sealed bearings for smoother pedalling; Titanium saves the most weight. All three fit standard 68mm threaded shells found on Mini through Expert XL size frames.
Specifications
- Shell: 68mm threaded
- Spindle lengths: 108mm | 113mm
Sinz is a MoJo BMX brand.