Calculated

Calculated Cranks BMX Racing M4, Formally VSR The Calculated Cranks 3pc square Tapered Racing are aluminum and lightweight. We also sell the VSR spider separately in many colors and 2 sizes including...

Calculated Spider Micro or Mini The Calculated Spider is available in 4 bolt or 5 Bolt and fits the VSR tapered BMX racing cranks. Aluminum

Calculated Sprocket, formally VSR Calculated Sprocket for BMX Racing DESCRIPTION:Von Sothen Racing 4-Bolt Pro Chainring Features: -Michael Von Sothen's Tooth Profile -Machined in USA (Santa Cruz,...