Von Sothen Calculated VSR Crank Arms M4

These are really the best & lightest crank arm / chain ring / drive train setup you can buy for the kids. Made in the USA. We have most of our team kids on Von Sothen.

**Spider and chain ring NOT included, pictures are to show how easy the are mounted.**

100MM-160MM

• COLORS- BLACK, RED, BLUE, PINK, PURPLE, GOLD, AND RAW

• STAINLESS STEEL HARDWARE

• COMPATIBLE WITH ANSWER STYLE SQUARE SPIDERS AND SPROCKETS

• LIFETIME REPLACEMENT GUARANTEE

• MACHINED IN SANTA CRUZ, CA

• 7075-T4 ALLOY