JIS Axle 120L+1 / 122.5 mm

The Thun Topaz 122.5 mm bottom bracket is a sealed cartridge type, designed for bicycles equipped with square taper (JIS) cranksets. It provides reliable and durable power transmission, ensuring smooth rotation and effective protection against dirt and moisture. Its solid construction, with sealed bearings and a robust shell, guarantees wear resistance and consistent performance over the long term, even under demanding daily use conditions. 🔧 Technical specifications: Model: Thun Topaz Type: Bottom Bracket Standard: JIS, square taper Axle length: 122.5 mm (120L+1) Compatibility: Square taper cranksets System: Sealed cartridge Color: Black / silver