The Tree 4130 sprocket is a heat treated 4130 Chromoly steel sprocket now comes for use with a bolt drive, which means you're good to go with either 22mm or 19mm spindle cranks.
- Available in black only
- Made of Heatreated 4130 chromoly
- Available in 25 & 28t sizes
- 3/32” wide teeth
- Works with 22mm cranks or 19mm cranks with the use of the spacer (included)
- Weight: 2.6oz/72g