THE spare part for the quality-conscious specialist workshop from the market leader for square inner bearings. Replaces ALL square inner bearings in ALL common lengths. Durable, maintenance-free and highly resistant to weather and corrosion. Optimum rotation quality thanks to double-sealed deep groove ball bearings. ISO 4210 - 8 : 2104 MTB certified and suitable for city / trekking, mountain and cargo bikes. The only bottom bracket produced in Germany. - including M8 x 1 screws - with plastic trays - suitable for ISO and JIS standard - Individual packaging