Home > Brand > Stone chainring Brand > Stone Chainring Bolts 5pcs/lot M8x7.5/7.6/8.5/10.5mm Lightweight MTB Road Bicycle Bolt Chain Wheel Steel Screws Sliver Black

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Stone CrMo Steel Chainring Bolts 5pcs M8 7.5/8.5/10.5mm Bicycle Chainring Screws for Road Bike MTB Crankset Sliver Black

Name: Stone CrMo Steel Chainring Bolts 5pcs M8 7.5/8.5/10.5mm Bicycle Chainring Screws for Road Bike MTB Crankset Sliver Black
Brand: DJC Bikes - DJC Components
Price: 7.88 USD
Availability: InStock
Rating: 5 (5 reviews)

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Specifications
Warranty FAQ

STONE CrMo Steel Chainring Bolts 5pcs

Product Specifications

Brand: STONE
Product Name: Chainring Bolts
Application: Road Bike / Mountain Bike
Material: CrMo Steel
Thread Size: M8
Diameter: 10 mm
Color: Black / Silver
Package: 5 pcs chainring bolts
Available model: 7.5 mm / 8.5 mm / 10.5 mm (nut height)
Installation Torque: 11-12 Nm

Color, Size & Weight

Black

7.5 mm / 8.5 mm
Surface Treatment: Black Electrophoresis
Approx. Weight: 4.7 g / 4.9 g per 5 pcs

Silver

7.5 mm / 8.5 mm / 10.5 mm
Surface Treatment: Nickel Plating
Approx. Weight: 4.4 g / 5.0 g / 6.3 g per 5 pcs

Size Definition

【Nut height is used as the model name】

7.5 mm
- Clamping Distance: 6–8 mm
- For Clamped Product Thickness > 6.5 mm
8.5 mm
- Clamping Distance: 7–9 mm
- For Clamped Product Thickness > 7.5 mm
10.5 mm
- Clamping Distance: 9–11 mm
- For Clamped Product Thickness > 9.5 mm

Features

Strong CrMo Steel Construction: Stronger and more durable than aluminum alloy chainring bolts, suitable for road bikes, mountain bikes, and high-load riding.
Durable Surface Treatment: Black electrophoresis or silver nickel plating helps improve wear resistance, corrosion resistance, and long-term color stability.
High-Precision Inner Hex Socket: Provides better tool engagement and helps reduce the risk of slipping or rounding during installation.
Reliable Torque Performance: Supports installation torque up to 16 Nm under proper installation conditions.
Easy Installation: Requires a chainring nut tool and a 5 mm Allen wrench for the inner hex socket.
First Installation Note for 8.5 Spec: Due to the protective surface coating, the thread may feel slightly tight during the first installation. This is normal and will become smoother after initial installation.

Important Notes

Please choose the correct specification according to your chainring and crankset thickness.
Manual measurement may result in slight size deviation.
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.

Package Includes

5 pcs STONE steel chainring bolts

All Taxes & Duties Included • Fast Delivery (8–12 Days) • No Hidden Fees • 6-Month Warranty

1 How long is the warranty?
We offer 6 months limited warranty to all products because of the quality defects. We offer lifetime payable repair service after the warranty.

2 Do need to pay tax duty when package arrive my country?
You no need to pay tax when package arrive your country, most countries in the world no need pay.
USA aslo no need tax duty and tariff, our carrier will cover it.

Brazil, Chile, Columbia clients need pay import duty when package arrive your country.

3 Can I return the goods if I am not like it?
Yes you can apply return and refund when you receive the product within 7 days. But as return shipping fee is relatively high when send back to China, so we suggest you consider and carefully before purchase.

Or you can send message to us and discuss technical issues to clarify if the products is what you need, and then pay after you sure your order is correct.

4 How long is the shipping time?
To most countries 7-15days can arrive your address. Pay extra 20USD if want ship by Fedex DHL UPS.

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