Product details
Description
FRM 40-tooth chainring with 104 mm BCD for 2x9 or 2x10 drivetrains.
- Made in Italy from CNC-machined Ergal 7075 alloy.
- Special profiles and steel ramps for smooth, low-effort chainring changes.
- Polished and anodised finish with laser-engraved logo.
- Compatible with triple 4-arm cranksets using 104/64 mm BCD.
- Spacer kits are sold separately; the source also notes a specific spacer kit for Shimano XTR FC-970 2007-2009.