The Avid 12 tooth Mod1 pitch pinion is made out of hardened steel to reduce wear. It is the common 5mm bore and includes one set screw. We have laser etched all the details onto the pinion for easy notification.

Details

• Mod1 Pitch | 18 Tooth | 5mm Bore
• Hardened Steel for less wear.
• Full range available | 11 - 22 tooth.
• Laser-etched for your convenience.