M-WAVE bottom bracket, 1.37'' x 24T R/L- BSA steel cups, Cr-Mo square axle, 2 x sealed cartridge bearings, for 120 mm shell, cardboard packaging
M-Wave - stands for over 1,000 products used by cycling enthusiasts who value technical products. M-Wave offers a complete range of products for cyclists with high technical requirements looking for innovative, high-quality materials. M-Wave is backed by German engineering and design that includes high-quality, high-standard control.