STONE 0mm Offset Round 3-Bolt Narrow-Wide Chainring for SRAM GXP X9 X0 XX1 X1 GX X1-1400 | 30T–48T
Upgrade your drivetrain with the STONE BB30 0mm Offset Round Chainring, designed for SRAM BB30 cranksets. Featuring a narrow-wide tooth profile, this chainring provides improved chain retention, reduced chain drop, and smoother riding performance across MTB, XC, and trail conditions.
Made from high-strength 7075-T651 aluminum, it delivers an excellent balance of stiffness, durability, and lightweight performance. The precision CNC-machined structure ensures accurate fitment and reliable power transfer on every ride.
| Item | Details |
|---|---|
| Model Name | STONE BB30 0mm Offset Round Narrow-Wide Chainring |
| Material | 7075-T651 Aluminum |
| Color | Black, Anodized |
| Speed Compatibility | 9 / 10 / 11 / 12 Speed(Not for AXS flattop chain) |
| Teeth Options | 30T / 32T / 34T / 36T / 38T / 40T / 42T / 44T / 46T / 48T |
| Offset | 0 mm |
| Chainline | 49 mm |
| Thickness | 4 mm |
| Hardness | HB150 |
| Processing Precision | 0.03 mm |
This chainring is designed for SRAM BB30 cranksets, including:
Please confirm your crank model and offset requirement before ordering.
| Teeth | Approx. Weight |
|---|---|
| 30T | 53 g |
| 32T | 59 g |
| 34T | 61 g |
| 36T | 71 g |
| 38T | 90 g |
Weight may vary slightly depending on production batch.
Made from premium 7075-T651 aluminum, this chainring offers excellent stiffness, strength, and endurance for demanding riding conditions.
Produced with high-precision CNC processing and a machining accuracy of 0.03 mm, ensuring precise fitment, smooth chain engagement, and reliable power transfer.
Most STONE chainrings are made to order. Please allow 3–5 days for production preparation before shipment. Thank you for your understanding.










