TRP CK-9050 EVO Crankset - 170mm 12-Speed For 68/73mm Frame BB DM CINCH Chainring Interface 30mm Spindle Carbon BLK/Silver Model=Soundwave BMX Bike Single speed spacer kit with

Single speed spacer kit with stainless steel lockring allows you to dial in your chainline

Unique shape

The Super Record 12-Speed cassette features thinner sprockets tighter spaces and space-saving dimensions that are the same as those of the 11-Speed versions

Flat bits 5

Select materials keep them cool and comfortable and you can customize the protection with the removable high impact guards

TRP CK-9050 EVO Crankset - 170mm 12-Speed For 68/73mm Frame BB DM CINCH Chainring Interface 30mm Spindle Carbon BLK/Silver Model=Soundwave BMX Bike Single speed spacer kit withThe TRP CK 9050 EVO crankset features high performance carbon layup crankarm construction for strength and weight saving with a 30mm spindle diameter to provide exceptional power transfer. High performance carbon layup provides strength and weight savings 30mm spindle diameter is torsionally rigid for exceptional power transfer For use with frames that have 68mm or 73mm bottom bracket shells 52mm Chainline achieved with TRP CR M9050 3mm offset