Product Description Specifications:Application:All Mountain, Cross CountyMaterial:aluminiumMount:Bottom Bracket, ISCG 05Chain Guide Capacity:28 - 38 teethCompatibility:1x11-speed, 1x12-speedManufacturer Number:20-9-71 Contents:1 x MRP 1x SL Single-Speed Chain Guide Weight: black | ISCG 05 28-38 tooth: 40 g Manufacturer: MRP 580 N. Westgate Dr. Grand Junction CO 81505 USA info@mrpbike.com Distributor: everyday26 Siedlerstr. 22 84109 Wörth Germany info@everyday26.de