Calculated

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

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,...