Tree 4130 HT Spline Drive 25T BMX Chainring
- V2 version has been beefed up to take anything you can dish out. We haven’t had a warranty on one yet.
- 4.5mm thick 4130 Heatreated Chromoly Steel
- Broached for 48 spline 3/4″ spindle cranks
- 3/32″ wide teeth can be used with either 3/32” or 1/8” chains
25t – 3.0oz