The Avid 21 tooth 64 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.

Details

• 64 Pitch | 28 Tooth
• 7075-T6 Hard-Anodized Aluminum
• Full range available | 21 - 50 tooth
• Laser etched for your convenience