RISK RT125 Titanium M8x15mm Square Taper Bottom Bracket Crank Bolts with O-Rings, Waterproof Fixing Screws

The RISK RT125 Titanium Square Taper Bottom Bracket Crank Bolts are designed for square taper cranksets and bottom bracket fixing applications. Made from titanium alloy, they offer lightweight strength, corrosion resistance, and a premium appearance.

Each pack includes 2 sets of crank fixing bolts with O-rings, suitable for one bike. The included O-rings help improve sealing performance and reduce water or dust entry around the crank bolt area. With a semi-hollow weight-saving design and clean anodized finish, these bolts are ideal for bike maintenance, replacement, and custom upgrades.

Key Features

• Brand: RISK
• Model: RT125
• Product Type: Square taper bottom bracket crank fixing bolts
• Material: Titanium alloy
• Specification: M8x15mm
• Thread: M8 x P1.0
• Tool Required: 8mm Allen key
• Bolt Head Diameter: Approx. 20mm
• Total Length: Approx. 25mm
• Thread Length: Approx. 15mm
• O-Ring Outer Diameter: Approx. 21mm
• O-Ring Inner Diameter: Approx. 11mm
• Package: 2 sets / RISK brand bag
• Colors: Rainbow / Gold / Black
• Net Weight: Approx. 18.3g / set
• Gross Weight: Approx. 22.5g / bag
• Package Size: Approx. 15 x 9 x 3cm

Key Benefits

• Made from titanium alloy for lightweight durability
• Suitable for square taper crank and bottom bracket fixing
• O-ring design helps improve waterproof and dustproof protection
• Semi-hollow structure reduces weight
• M8x15mm standard size for compatible cranksets
• 8mm Allen key installation
• Available in Rainbow, Gold, and Black
• Ideal for replacing old, rusty, or worn crank bolts
• Adds a clean custom look to the crank area

Suitable For

• Square taper bottom brackets
• Square taper cranksets
• Bicycle crank fixing bolts replacement
• Mountain bikes
• Folding bikes, including compatible small-wheel bikes
• Road bikes with compatible square taper crank systems
• Bike repair, maintenance, and customization

Important Notes

• Please confirm your original crank bolt size before purchase.
• Size: M8x15mm, thread: M8 x P1.0.
• Use an 8mm Allen key for installation.
• Please install according to the torque value specified in the original crank or bottom bracket manual.
• O-rings are included for sealing support, but this product is not a complete bottom bracket.
• Cranksets, chainrings, and bottom brackets shown in images are for display only and are not included.
• Manual measurement may have slight differences.

Product Details

Package Includes