SIDI Tecno-3 Rotor System 65mm System Pair - Black/Yellow 11-13-15-18-21-24-28-32 Aluminum construction with anodized finish

Aluminum construction with anodized finish provides strength weight savings and keeps the crankset looking great

Spare parts kit for SRAM front derailleurs

3-Speed internal gear hub with gear ratio of 177%

lightweight option to cover essential tool functions

Flat Protection SidewallTPI 170Color BlackWeight 650Defined Color BlackISO Width (mm) 57ISO Diameter 622 / Road / 29"Tire Intended Use MountainTire Diameter 29"Tire Bead FoldingLabeled Size 29 x 2

SIDI Tecno-3 Rotor System 65mm System Pair - Black/Yellow 11-13-15-18-21-24-28-32 Aluminum construction with anodized finishThe SIDI Tecno 3 Rotor System is a replacement dial system for select SIDI cycling shoes allowing you to maintain a precise and comfortable fit. The cutting edge system features Dyneema cables known for their strength and light weight.