S&M Mainline BMX Tyre 20 X 2.1'' Black RGroup_FAFA008947113EF516F9D92AEFDDB254DE87A19C These balls are ground to

These balls are ground to a roundness of 10/1

The wrap-around design ensures they remain securely in place

Dirtwash is the ultimate mechanic approved total bike cleaner

The Cube AMS ONE11 C:68X Pro 29 Cross Country Bike is designed for high performance and versatility on trails

potentially giving you a competitive edge in a BMX race

S&M Mainline BMX Tyre 20 X 2.1'' Black RGroup_FAFA008947113EF516F9D92AEFDDB254DE87A19C These balls are ground toThe S&M Mainline BMX Tyre is designed for trail use, reflecting S&M's dirt jump heritage. It comes with a wire bead and a midweight, high pressure casing. The 2. 1 version features a micro knurled surface on a directional tread, ideal for rear placement. Its center tread includes a V notched edge for acceleration and a flat edge for braking. SKU: SMTY003 04 BLK.