STONE 107 BCD Round Narrow Wide Chainring for SRAM Rival 4-Arm Crankset (34T–60T, 7075 Aluminum)
Overview
This precision 1X road chainring is designed specifically for SRAM Rival 4-arm cranksets. It is CNC-machined from 7075-T651 aluminum and offered in sizes from 34T to 60T, making it suitable for a wide range of road riding setups.
Note: This chainring fits SRAM Rival 4-arm cranksets only. It is not compatible with SRAM Force or other 107 BCD cranksets.
Compatibility
Before ordering, confirm your crankset model and chain type against the details below.
| Item | Details |
|---|---|
| BCD | 107 BCD |
| Compatible cranksets | SRAM Rival 4-arm crankset; Quarq BCD107 powermeter spider; cranks fitted with the Stone 107 spider |
| Not compatible with | SRAM Force 107 BCD crankset; other 107 BCD cranksets |
| Chainring type | 1X narrow wide chainring; not suitable for 2X setups |
| Chain speed support | Standard tooth profile supports 9/10/11/12-speed chains |
| Flattop chains | Standard tooth profile does not support SRAM AXS Flattop 12-speed chains; choose the AXS tooth profile option instead |
Specifications
- Material: High-strength aluminum 7075-T651
- Hardness: HB150
- Thickness: 4 mm
- Color: Black
- Surface treatment: Anodized finish
- Manufacturing process: High-speed CNC machining
- CNC precision: 0.03 mm
Available Sizes, Diameter & Weight
| Teeth | Max Diameter | Weight |
|---|---|---|
| 34T | 146 mm | 45 g |
| 36T | 154 mm | 64 g |
| 38T | 162 mm | 71 g |
| 40T | 170 mm | 77 g |
| 42T | 178 mm | 83 g |
| 44T | 186 mm | 85 g |
| 46T | 194 mm | 93 g |
| 48T | 202 mm | 105 g |
| 50T | 210 mm | 112 g |
| 52T | 219 mm | 125 g |
| 54T | 226 mm | 138 g |
| 56T | 235 mm | 151 g |
| 58T | 242 mm | 161 g |
| 60T | 250 mm | 170 g |
Decorative Caps – A Cleaner, More Stylish Crankset
If you want to cover the chainring bolts for a cleaner look, decorative caps can be purchased separately:
Stone Bike Chainring Decoration Caps Cover Bolts for SRAM Rival BCD107 Crankset 1x Setups
Package Includes
- 1 × STONE 107 BCD chainring
- 4 × Chainring bolts
Note: Decorative covers are not included and must be purchased separately. Decorative covers are designed for STONE chainrings only and may not fit chainrings from other brands.
Key Features
- Made from 7075-T651 high-strength aluminum for excellent stiffness and durability
- CNC-machined with 0.03 mm precision for accurate fitment and smooth operation
- Narrow wide tooth design helps improve chain retention on 1X drivetrain setups
- Lightweight design with multiple tooth options from 34T to 60T
- Black anodized surface for improved corrosion resistance and a clean appearance
Important Notice
Please check your crankset model before ordering.
This chainring is designed only for SRAM Rival 4-arm 107 BCD cranksets. It is not compatible with SRAM Force 107 BCD cranksets or other 107 BCD cranksets.
For SRAM AXS Flattop 12-speed chains, please select the AXS tooth profile option.
