by GT Bikes
The GT Overdrive Sprocket has a throwback look of what may have been the coolest BMX sprocket of the 1990's but now it's built for today's abuse and in up to date sizes.
- 1/8″ Teeth
- 4 teeth options available.
- 25t and 28t work great with 9t drivers
- 33T and 36T are for the Big BMX bikes
- available in black or silver