Stone 130BCD Round Chainring for Fixed Gear / Track Bike
For single speed bike only.
Not compatible with 7/8/9/10/11/12 speed bikes.
Compatibility
- Suitable for 130BCD 5-arm cranksets.
- Designed for fixed gear, track bike, fixie and single speed bicycles.
- Compatible with 1/2″ x 1/8″ single speed chains.
- Not compatible with 7-12 speed drivetrains.
- For BB30 / BF30 cranksets, this chainring cannot be installed in the outer chainring position. The inner chainring position is not affected.
Available Size
Max outer diameter and weight are for reference only.
- 42T: 176mm / 103g
- 43T: 180mm / 108.8g
- 44T: 184mm / 112.4g
- 45T: 188mm / 123g
- 46T: 192mm / 121.1g
- 47T: 196mm / 124.3g
- 48T: 200mm / 129.4g
- 49T: 204mm / 144.1g
- 50T: 208mm / 148.4g
- 51T: 212.5mm / 156.4g
- 52T: 216.5mm / 161.2g
- 53T: 220.5mm / 170g
- 54T: 225mm / 172.7g
- 55T: 228.5mm / 179.4g
- 56T: 232.5mm / 187.8g
- 57T: 236.5mm / 193.9g
- 58T: 241mm / 200g
- 59T: 245mm / 206.3g
- 60T: 249mm / 211.6g
Product weight may vary slightly due to production batch or product upgrade.
Specifications
- Brand: Stone
- Material: High strength 7075-T651 aluminum alloy
- Hardness: HB150
- BCD: 130BCD
- Shape: Round
- Speed: Single Speed
- Chain Compatibility: 1/2″ x 1/8″
- Thickness: 4mm
- Manufacturing: CNC machined
- CNC Precision: 0.03mm
- Color: Black
- Teeth Options: 42T-60T
Features
- Designed for fixed gear, track bike, fixie and single speed bicycles.
- Made of high strength 7075-T651 aluminum alloy for good stiffness and durability.
- CNC machined for accurate fit and smooth chain engagement.
- 4mm thick design helps improve rigidity for single speed riding.
- Multiple teeth options from 42T to 60T for different gear ratio needs.
- Round chainring design provides stable and direct power transfer for single speed riding.
Important Compatibility Notes
- For single speed bike only. Not compatible with 7/8/9/10/11/12 speed bikes.
- Please confirm your crankset is 130BCD before purchase.
- Please confirm your chain size is 1/2″ x 1/8″.
- For BB30 / BF30 cranksets, this chainring cannot be installed in the outer chainring position. The inner chainring position is not affected.
- Please check frame clearance before choosing a large tooth size.
- Installation compatibility may vary depending on crank model, chainline and bicycle frame clearance.
Package Includes
- 1 x Chainring
- 5 x Chainring Bolts
Production Time
Most Stone chainrings are made by order. Normally it takes about 3-5 days to prepare before shipping. Thank you for your understanding.








