The Avid 21 tooth 48 pitch pinion is made out of 7075-T6 aluminum and hard-anodized to reduce wear and friction. We have laser etched all the details onto the pinion for easy notification. It is the common 1/8" bore (3.17mm) and includes one set screw. Part# av1400-21
Details
- 48 Pitch | 21 Tooth
- 7075-T6 Hard-Anodized Aluminum
- Laser etched for your convenience