Stone Chainring 76 BCD For Sram XX1 Stout SiSl2 Round 30T 32T 34 36 38T 40T tooth MTB Bike Cycling Bicycle ChainWheel toothplate 76bcd

Stone 76BCD Narrow Wide Chainring for Old SRAM XX1 / Stout / SiSL2 Crankset 30T 32T 34T 36T 38T 40T

The STONE 76BCD Narrow Wide Chainring is specially designed for old model SRAM XX1, Stout, and SiSL2 cranksets.
It is not compatible with FSA, ROTOR, or other 76BCD cranksets.

To ensure compatibility, please measure the distance between adjacent bolt holes before purchasing:

• 49.0 mm
• 62.4 mm
• 53.9 mm

This chainring is made from high-strength 7075-T651 aluminum alloy and features precision CNC machining with an anodized finish for excellent stiffness, durability, and lightweight performance.

Important Compatibility Notice

• Only for old model SRAM XX1 / Stout / SiSL2 cranksets
• Not compatible with FSA cranksets
• Not compatible with ROTOR cranksets
• Other 76BCD cranksets will not fit

Please check your crankset carefully before placing an order.

Features

• Designed for old SRAM XX1 / Stout / SiSL2 cranksets
• Narrow-wide tooth profile for improved chain retention
• Made from high-strength 7075-T651 aluminum alloy
• Precision CNC machining
• Anodized surface treatment
• Suitable for 1x drivetrain systems only

Specifications

• Brand: Stone
• Product Type: Narrow Wide Chainring
• BCD: 76BCD
• Tooth Options: 30T / 32T / 34T / 36T / 38T / 40T
• Material: High-strength 7075-T651 aluminum alloy
• Hardness: HB150
• CNC Precision: 0.03 mm
• Surface Treatment: Anodized, high-speed CNC machining

Chain Compatibility

Compatible with:

• MTB chains: 9 / 10 / 11 / 12 speed
• SRAM road chains: 9 / 10 / 11 speed
• Shimano road chains: 9 / 10 / 11 / 12 speed

Not compatible with SRAM AXS 12-speed Flattop chains in the standard version.

If you need a tooth profile for SRAM AXS Flattop chain, please contact us for customization.

Important Notes

• This chainring is designed for 1x drivetrains only
• Not compatible with 2x or 3x systems
• Does not support front shifter or front derailleur
• If using a Shimano 12-speed road chain, please replace the original quick link with another brand of 12-speed quick link such as KMC, YBN, or SUMC, because the original Shimano quick link is too narrow

Size and Weight

• 30T – Max Diameter: 130 mm – Weight: 37 g
• 32T – Max Diameter: 134 mm – Weight: 44 g
• 34T – Max Diameter: 145 mm – Weight: 51 g
• 36T – Max Diameter: 154 mm – Weight: 62 g
• 38T – Max Diameter: 162 mm – Weight: 74 g
• 40T – Max Diameter: 170 mm – Weight: 85 g

Package Includes

• 1 x Chainring
• 4 x Bolts

Advantages

1. Made from high-strength 7075-T651 aluminum alloy for excellent stiffness and durability
2. Manufactured with high precision CNC machining at 0.03 mm accuracy for reliable performance

Production Time

Most Stone chainrings are made to order, so please allow 3–5 days for preparation and production before shipment.
Thank you for your understanding.