TIMCO
✓Price
$43.99
sourcing map 5pcs Double Chain Ring Bolts M8 Aluminum Alloy Bicycle Crankset Nut Chainwheel Screws with Mountain Wrenches for Road Bike Mountain Bike, Yellow
★★★★★
$43.99
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1
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About this item
- Size - Thread: M8; Outer diameter: 12mm/0.47"; Inner hole: 5mm/0.2"; Nut OD: 12mm/0.47"; Length: 9.6mm/0.38", 8.4mm/0.33". Color: Yellow. The disc nail screws are available in a variety of colors, you can choose your favorite color according to your preferences and needs, and you can also update the appearance of your bicycle.
- Material - Made of aluminum alloy, chainring bolts are high in strength, light and strong, corrosion-resistant and not easy to rust, wear-resistant and not easy to damage, and can be used for a long time. The surface is anodized to effectively prevent oxidation and ensure that it is not easy to fade.
- Features - The aluminum alloy sprocket bolts are made of high-precision CNC processing, with a delicate appearance without burrs, standard threads, uniform force, and not easy to slip during rotation.
- Application - Disc screws are used to fix the bicycle brake disc on the wheel hub to ensure the normal operation of the brake system. Suitable for mountain bikes, road bikes, folding bikes, track bikes, mountain bikes, BMX bikes, down hill bikes, etc.
- Note - Use the disc nail wrench to fix one end of the disc nail, and then use a 5mm hexagon wrench to remove or install from the other end. Avoid making them too loose, which may cause the components to fall off, or too tight, which may damage the aluminum alloy material.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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