M8 Sealed Square Taper Crank Bolts 8Pcs, 8mm Hex Bottom Bracket Screws with Rubber Washer for Mountain Road Bike for FSA/Suntour/Prowheel, Not for Hollow Spline Cranks
M8 Sealed Square Taper Crank Bolts 8Pcs, 8mm Hex Bottom Bracket Screws with Rubber Washer for Mountain Road Bike for FSA/Suntour/Prowheel, Not for Hollow Spline Cranks
Reliable bike crank arm fixing bolts set for square taper cranksets. These bottom bracket screws ensure secure crankset attachment during cycling activities. The high-strength steel construction provides durability for road and mountain bike applications.Installation requires an 8mm hex wrench for straightforward mounting. Begin by removing existing crank bolts, align one bolts with crank arm threads, and tighten sequentially to recommended torque specifications. Specifications: Material: High-strength steel Thread: M8 x 18mm (0.71 inch) Cap diameter: 20.5mm (0.81 inch) Tool compatibility: 8mm hex wrench Quantity: 8 pieces Package includes eight bottom bracket screws with integrated plastic dust caps. The caps protector bolt threads from debris accumulation during cycling.Important notes: Manual measurement tolerance within 1-2mm. Designed exclusively for square taper bottom bracket systems. Not compatible with hollow or splined crankset designs.
Product Features
- Durable Steel Construction: Made of High-strength Steel, these bottom bracket screws offer solid strength and long term use for regular cycling. The bolts also feature a blue anti slip adhesive coating to help keep them securely fitted during riding.
- Versatile Compatibility: These square taper bottom bracket bolts are designed for square taper cranksets and standard bottom bracket setups on many bicycles. Suitable for road bikes and mountain bikes, actual fitment should be selected based on size.
- Precise M8 Specifications: Each crank arm fixing bolt features an M8 thread with an 18mm(0.71in) or 0.71in length and a cap diameter of 20.5mm(0.81in) or 0.81in. This size is suitable for a range of bicycle crank replacement and maintenance needs.
- Dust Cap Design: Each bolt comes with a built in plastic cap that helps cover the bolt area and keeps it cleaner during daily riding use. This design eliminates the need for a separate crank cap and adds convenience for bicycle maintenance.
- Easy Installation: These bike crank bolts are designed for use with an 8mm(0.31in) hex wrench, making installation more convenient and efficient. The simple fitting structure supports quick replacement during bike repair or part upgrade.