You would typically need a replacement when shortening or re-routing a brake hose during a bike build or service, if the original bolt's threads are stripped or its head is rounded off from repeated use, or simply if one has been misplaced during a home repair. Keeping a spare set on hand is useful for anyone doing their own hydraulic brake maintenance.

This M8 clamping bolt is compatible with hydraulic disc brake systems from brands such as Shimano and SRAM AVID that use this standard hose banjo fitting, but hydraulic brake hardware can vary between models and generations. It's worth double-checking your specific lever or caliper's hose connection type against this bolt's specifications before purchase if you're unsure.

Yes, removing and refitting the hose clamping bolt disconnects the hydraulic hose from the lever or caliper, which introduces air into the system, so a full brake bleed with the correct fluid, mineral oil or DOT, matching your brake system, is required afterward to restore firm lever feel. Skipping the bleed will typically leave the brake lever feeling spongy or soft.

Hydraulic hose clamping bolts need to be snug enough to prevent fluid leaks but not overtightened to the point of damaging the banjo fitting or stripping the threads; checking your specific brake manufacturer's torque specification and using a small torque wrench where possible is the safest approach. If in doubt, having a bike mechanic complete or check this step is a sensible precaution given it's a safety-critical brake connection.

This is a genuine LeBycle product sold on DoGoodCo, GST included in the price, and covered against manufacturing defects. Contact our support team if the bolts arrive damaged or the threads don't seat correctly.

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