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Stainless Steel Rear Brake Line [Hose Kit] – Hyosung GT650 GT125R GT250 GT125

Estimated delivery dates: Sep 29, 2026 - Sep 30, 2026

£59.99

🇬🇧 GOODRIDGE/HEL BRAKING UPGRADE // STOP THE SPONGE!

Safety is not a place to cut corners. Stop the spongy brake feel permanently. Standard factory rubber hoses expand out under pressure and degrade with age, making a fresh Hyosung rear brake line upgrade the safest path to restore firm stopping control during your next maintenance project.

  • Zero Expansion // Premium Goodridge or HEL racing lines feature a tough PTFE inner tube that blocks wall flexing under foot lever pressure.
  • Fit & Forget // Full stainless steel banjos and bolts that will never rust, flake, or seize into the rear caliper body.
  • Race Pedigree // UK-assembled using premium armored mesh lines trusted worldwide on the track for maximum fluid stability.
  • In Stock // Ready for your caliper service project. Secure a firm, crisp pedal response before your next road trip.
💡 THE 4-YEAR RULE: Hyosung’s service manual mandates OEM basic rubber hose replacement every 48 months due to internal degradation. Upgrade to stainless steel now and you will never have to buy this service item again!

⌚As this is a bespoke kit, please allow a little extra time for processing before we post. See the estimated delivery times above ^ 

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Description

Replacing your factory flexible rubber pipes with this premium stainless braided line is one of the best performance modifications you can make to your bike. As your machine handles daily riding, touring, and long road trips, the original rubber fluid lines become soft and porous under continuous weather exposure. Unlike rubber, stainless steel does not expand under heavy hydraulic loads, ensuring that every millimeter of foot lever travel translates directly into instant stopping power at the rear wheel. Sourcing this premium aftermarket Hyosung rear brake line kit completely eliminates line swelling, maximizing rider safety and pedal feedback across your latest restoration project.

This custom-assembled upgrade is manufactured by industry leaders Goodridge or HEL, explicitly tailored for the standard frame configuration. Ditching the factory parts gives you an ignition-adjacent braking line that is completely weather-resistant, heat-resistant, and chemically stable. The advanced clear-coated PTFE inner core maintains complete fluid speed and density, avoiding the degradation common to original equipment. Additionally, the unrustable stainless steel banjo bolts and washers mean the connections will never seize or bind, keeping your caliper maintenance simple and straightforward on everyday journeys.

💎 REAR CALIPERS HYOSUNG REAR BRAKE LINE SPECIFICATIONS

PTFE Inner Core LiningAdvanced low-expansion passage material providing superior fluid stability and chemical resistance. Full Stainless FastenersCustom-milled unrustable banjo bolts and fittings that reject winter road salt pitting completely.
Weatherproof Outer ShieldUV-protected clear coating that blocks grit abrasion and stops the mesh from scratching frame paint. OEM Reference #Cut cleanly to mirror standard routing lengths to replace original factory code: 69480HM8104.

📜 Confirmed Model Fitment

Hyosung Models: Hose lengths and banjo orientations are verified strictly for the standard rear master cylinder configurations listed below. See the diagram picture for swingarm routing locations.

GT125 Naked Comet
& GT125R Sports
2003-2020
GT250 Naked Comet
& GT250R Sports
2003-2020
GT650 / GT650S
GT650R / GT650RC
2003-2020

🔧 Installation Tips

Brakes are a safety-critical system. Follow these steps on the workbench for a professional, leak-free result:

  • Bleed the System Thoroughly: Always flush and bleed your fluid circuits completely after installation. Armored lines can sometimes trap stubborn micro-bubbles more than soft factory rubber. For community tips on pulling air pockets out cleanly, visit the HyoRiders Technical Forums.
  • Utilize Fresh Quality Fluid Only: Fill your master reservoir with fresh, premium DOT 4 brake fluid. Never attempt to mix different oil brands or utilize old fluid from an unsealed container, as moisture contamination ruins your boiling thresholds.
  • Maintain Strict Hand Tool Torque Control: Turn the banjo bolts manually into the caliper threads first to confirm they catch straight. Tighten to manufacturer specification parameters using a hand wrench—ensure the washers seal tightly without crushing the soft metal out of square.
  • Track the Original Footprint Exactly: Route the armored hose along the identical path used by your original factory rubber pipes. Keeping the line secured within its original frame guides ensures it clears the rear tire and never fouls the swingarm movement.
📧 NOT SURE HOW TO RE-SEAT THE HYDRAULIC PRESSURE SWITCH SENSORS CLEANLY? If your pedal feels spongy or you want to verify your caliper piston dimensions before breaking the package seal, you can upload a crisp photo on our boards to get quick help. For fast sales support, email us your question or if you want to locate fast fluid swap manuals, head straight over to our community boards.

Additional information

Weight 0.7 kg
Dimensions 20 × 20 × 2.5 cm

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