Rear Brake Master Cylinder – Hyosung GV125-S EFI (Bobber 125 S)
Reliable stopping power for your daily commute. An essential aftermarket replacement for failed OEM units, designed specifically for road-compliant CBS systems. Reclaim your rear brake confidence safely.
- ✓RIDE SOONER // Essential safety component to restore full braking performance.
- ✓FITMENT // Hyosung GV125-S Bobber (2019+ CBS Models ONLY).
- ✓INTERFACE // Robust aftermarket unit; finishes may vary (Silver or Black).
- ✓MANIFEST // 1x Master Cylinder Unit (as pictured). Mounting bolts not included.
- ✗NOT INCLUDED // “Reservoir White Pot” , use your old one!
You will get either black or grey colour (random)
❌ It will NOT work with EVO models that use digital ABS brakes (GV300S & GV125-SS EVO Pro). Get on the road! In stock now.
Description
Your brakes are the most critical safety component on your motorbike. When the original Hyosung rear master cylinder fails, you need a dependable, road-legal replacement. We refuse to sell unsafe, cheap universal junk (the kind found on AliExpress) that compromises safety. This robust aftermarket unit provides the necessary pressure and reliability for your S-Series bike, specifically designed to function correctly within the confines of the UK/EU-compliant Combined Braking System (CBS).
💎 Performance You Can Trust, Not Just Hope For
| Bespoke CBS Geometry Correct internal bore for linked braking systems. |
Leak-Free Assurance Restores consistent pressure and feel. |
| Daily Reliability Keeps your commuter safe and compliant. |
Direct Hydraulics Precision actuation for reliable rear-end stopping. |
📜 Confirmed Fitment Guide
📅 YEARS: 2019+ Onwards (All CBS-equipped models).
❌ WILL NOT FIT: GV300S, GV125S EVO, GV650 (These use complex ABS systems which require different parts). Match your bike’s current part to the gallery image.
📚 OEM REF: 69609KG7200 , 69609HG7201 , 69609HG7200
🔧 Brake Safety & Install Tips
- Professional Install Advised: Brakes are life-critical components. If you are unsure about installation or bleeding the system correctly, please use a professional, accredited UK garage. Incorrect installation *will* cause total brake failure.
- Use Fresh Fluid: Never reuse old brake fluid. Always bleed the system with a fresh, sealed bottle of DOT 4 fluid.
- Aesthetics: Finish may be silver or black depending on batch. Check the gallery picture for style confirmation.
Additional information
| Weight | 1 kg |
|---|---|
| Dimensions | 20 × 20 × 4 cm |
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GARAGE PICKS // ADD TO BUILD
-
520 Upgrade Chain & Sprocket Kit [Conversion] – Hyosung GV125-S EFi Bobber 125 S
£125.99 -
Rear Brake Disc Pads – Hyosung GV125-S EFi Injected
£23.99 -
Front Brake Light Switch (Stop Lamp Lever) – Hyosung GV125S GV300S GV300SS
£9.99 -
Stainless Steel & Titanium Front Brake Pad Pin Retaining Grub Screw (x1) – Hyosung GV125-S EFi
Price range: £12.99 through £15.99
EXPLORE // RELATED PRODUCTS
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Front Engine Sprocket Nut – Hyosung GV125 GT250 GT125R GV250 RT125D
£12.99 -
Stainless Steel Brake Caliper Rebuild Kit [Repair Parts] – Various Hyosung Models
£78.99 -
NGK Uprated HT Coil Spark Plug Cap/Covers [x2] – Hyosung GTR GT GV (Various Models)
£34.99 -
Heavy Duty Clutch Plates Friction Drive Overhaul Kit – Hyosung GT125R GV125 GT125 XRX125 RT125D GA125
£65.99
Independent Shop supplying ride enhancements, quality spares and service kits. Need Owners Books? Click 'Manuals' at the top of the site!
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