MCS BMX chain tensioners for 3/8″ axles. MCS Bicycles has been around since the very beginning days of BMX! And here they are, over 40 years later still making some great products!
- CNC machined 6061-T6 aluminum chain tensioners
- Compatible with 3/8 inch and 10mm axles
- Single bolt operation makes tensioning a simple task
- Available in anodized colors.
- Laser-etch logo
- 2 axle positioning options to allow use of your full dropout range