STONE AL7075 Chainring Bolts M8 (6/7 mm): Torx T30 Single & Double Chainring Screws for Road and Mountain Bikes
Product Specifications
- Brand: STONE
- Product: Chainring bolts
- Application: Road bike / mountain bike
- Material: AL7075 aluminum alloy
- Process: Full CNC machining
- Thread size: M8
- Diameter: 10 mm
- Installation torque: 11–12 Nm
- Color: Black / Silver
- Package: 5 pcs chainring bolts
- Available models: M8 x 6 mm / M8 x 7 mm
Both sides accept a Torx T30 wrench.
The 6 mm net height is intended for single chainring setups, while the 7 mm net height is for double chainring setups.
Color, Size & Weight
- Colors: Black / Silver
- M8 x 6 mm: approx. 1.7 g per 5 pcs
- M8 x 7 mm: approx. 2.0 g per 5 pcs
- Surface treatment: Anodized finish
Size Definition
The model name refers to the nut height.
M8 x 6 mm
- Female net height: 6 mm
- Clamping distance: 6.5–7.5 mm, for single chainring use
M8 x 7 mm
- Female net height: 7 mm
- Clamping distance: 7.5–8.5 mm, for double chainring use
Features
- Lightweight AL7075 aluminum alloy: High-strength AL7075 construction delivers excellent weight savings for road and mountain bikes.
- Full CNC machining: Precision CNC processing ensures accurate dimensions, clean edges, and a refined appearance.
- Anodized surface finish: Available in Black and Silver, the anodized coating improves surface durability and gives your bike a clean, custom look.
- High-precision inner hex socket: Designed for stable tool engagement and smoother installation with a 5 mm Allen wrench.
- Recommended torque: Install at 11–12 Nm; maximum torque must not exceed 20 Nm.
- Easy installation: Requires a chainring nut tool and a 5 mm Allen wrench for proper installation.
- Torx T30: Both sides accept a Torx T30 wrench.
Important Notes
- Choose the correct specification according to your chainring and crankset thickness.
- Do not exceed the maximum installation torque of 20 Nm.
- Manual measurement may result in slight size deviations.
- The specification name refers to the nut height, not the total bolt length.
- Different chainring and crank setups may require different bolt lengths.
- Do not force installation if the bolt length is not suitable.
- Aluminum alloy bolts are lightweight parts. Install carefully and avoid over-tightening.
Package Includes
- 5 pcs STONE AL7075 aluminum chainring bolts
