Whether you’re replacing worn crank bolts or building up a bike from scratch, our Bottom Bracket Bolt Pairs provide a secure and reliable way to fasten your crank arms to the bottom bracket spindle.
Manufactured from high-strength carbon steel with a durable rubber sealing ring, these bolts are designed for long service life and dependable crank retention. Precision-machined threads ensure smooth installation, while pre-applied thread locking compound helps prevent loosening during riding.
Features
• Suitable for securing crank arms to bottom bracket spindles
• High-strength carbon steel construction
• Precision-machined threads for smooth installation
• Rubber sealing ring provides a neat, secure fit
• Pre-applied thread lock helps prevent bolts loosening
• Lightweight yet durable design
• Ideal for MTB, road, commuter and recreational bikes
Specifications
• Material: Carbon Steel & Rubber
• Drive Type: M8 Hex Socket (excluding M8 x 18mm)
• Installation Tool: 8mm Hex Key or 14mm for M8 x 18mm (not included)
• Colour: Silver/Black
Available Sizes
• M8 x 15mm - Suitable for Square Taper Bottom Brackets
• M10 x 14mm - Suitable for Square Taper Bottom Brackets
• M12 x 14mm - Suitable for Splined Bottom Brackets
• M15 x 15mm - Suitable for Splined Bottom Brackets
• M8 x 18mm - Suitable for selected Square Taper applications requiring additional bolt length
Package Includes
• 1 Pair Bottom Bracket Bolts (selected size)
TB Tech Tip
Not all crank bolts are interchangeable. If you’re unsure which size your crankset requires, compare your existing bolt measurements or send us a photo and we’ll help identify the correct option.
Whether you’re replacing worn crank bolts or building up a bike from scratch, our Bottom Bracket Bolt Pairs provide a secure and reliable way to fasten your crank arms to the bottom bracket spindle.
Manufactured from high-strength carbon steel with a durable rubber sealing ring, these bolts are designed for long service life and dependable crank retention. Precision-machined threads ensure smooth installation, while pre-applied thread locking compound helps prevent loosening during riding.
Features
• Suitable for securing crank arms to bottom bracket spindles
• High-strength carbon steel construction
• Precision-machined threads for smooth installation
• Rubber sealing ring provides a neat, secure fit
• Pre-applied thread lock helps prevent bolts loosening
• Lightweight yet durable design
• Ideal for MTB, road, commuter and recreational bikes
Specifications
• Material: Carbon Steel & Rubber
• Drive Type: M8 Hex Socket (excluding M8 x 18mm)
• Installation Tool: 8mm Hex Key or 14mm for M8 x 18mm (not included)
• Colour: Silver/Black
Available Sizes
• M8 x 15mm - Suitable for Square Taper Bottom Brackets
• M10 x 14mm - Suitable for Square Taper Bottom Brackets
• M12 x 14mm - Suitable for Splined Bottom Brackets
• M15 x 15mm - Suitable for Splined Bottom Brackets
• M8 x 18mm - Suitable for selected Square Taper applications requiring additional bolt length
Package Includes
• 1 Pair Bottom Bracket Bolts (selected size)
TB Tech Tip
Not all crank bolts are interchangeable. If you’re unsure which size your crankset requires, compare your existing bolt measurements or send us a photo and we’ll help identify the correct option.
