【Tapered Design for Maximum Stability】 44-56 mm bottom bracket system optimized for tapered frames – distributes steering forces evenly and reduces vibration during downhill or trail riding.
【All-Weather Double Seal】 Two integrated rubber seals block water, mud, and corrosion – protects cartridge bearings (44/56 mm) and extends their service life.
【Universal Fork Compatibility】Fits straight forks (28.6/30 mm) and tapered forks (28.6/39.8 mm) – includes a stainless steel crown clamp and adapter for tool-free installation.
【High-quality material combination】 Aluminum housing + rust-proof stainless steel screws (129 g) – robust against impacts, salt water, and UV radiation.