Description
Sur-Ron Front Brake Pump Assembly Left
The Problem Every Sur-Ron Rider Knows
The Sur-Ron front brake pump assembly left is the OEM replacement master cylinder and lever for Sur-Ron Light Bee X and L1E riders who need a reliable, genuine-spec brake restore.
The Solution: Sur-Ron Front Brake Pump Assembly
The Sur-Ron Front Brake Pump Assembly (Left Side, part number 52111-YQ2B-0000) is the genuine OEM replacement for the Sur-Ron Light Bee X and L1E. Built to factory specification, this assembly restores the precise lever feel and hydraulic pressure that Sur-Ron engineered into the bike from day one. It is a direct bolt-on replacement, requiring no modification or adaptation.
Three Steps to Restored Braking Confidence
- Order your Sur-Ron OEM Front Brake Pump Assembly from eMotoX Sports, in stock and ready to ship.
- Drain the old fluid, remove the worn assembly, and bolt on the new unit using standard tools.
- Bleed the system with DOT 4 fluid, set lever reach, and ride with full confidence.
What Happens If You Leave It Too Long
A failing brake pump does not just feel bad, it is a safety risk. Internal seals degrade and allow fluid to bypass the piston, causing a gradual loss of pressure that can result in complete brake failure on the trail. A £49.99 pump replacement is far less costly than a crash, a hospital visit, or a damaged bike.
Ride With Confidence
With a fresh OEM pump assembly fitted, your front brake returns to factory specification. Every squeeze of the lever delivers the precise, progressive stopping power Sur-Ron designed for the Light Bee platform, giving you the confidence to push harder on every trail and track session.
Ready to Upgrade?
Add the Sur-Ron front brake pump assembly to your basket now — in stock at eMotoX Sports with fast UK delivery.
Technical Specification
| Specification | Detail |
|---|---|
| Brand | Sur-Ron (OEM) |
| Part Number | 52111-YQ2B-0000 |
| Side | Left (front brake) |
| Fluid Type | DOT 4 |
| Fitment | Direct OEM replacement |
| Compatible With | Sur-Ron Light Bee X, Sur-Ron Light Bee L1E |
Compatibility Guide
| Model | Compatibility |
|---|---|
| Sur-Ron Light Bee X | ✓ Direct OEM fit |
| Sur-Ron Light Bee L1E | ✓ Direct OEM fit |
| Sur-Ron Ultra Bee | ✗ Different brake system |
| Talaria Sting | ✗ Different brake system |
Performance Overview
| Attribute | Rating |
|---|---|
| OEM Fitment Accuracy | ★★★★★ (5/5) |
| Lever Feel | ★★★★★ (5/5) |
| Ease of Installation | ★★★★☆ (4/5) |
| Durability | ★★★★☆ (4/5) |
| Value for Money | ★★★★☆ (4/5) |
Frequently Asked Questions
Will this fit my Sur-Ron Light Bee X?
Yes, this is the genuine OEM part (52111-YQ2B-0000) and is a direct replacement for the Sur-Ron Light Bee X front brake pump assembly.
Is this the left or right side?
This is the left-side assembly, which controls the front brake on the Sur-Ron Light Bee.
What brake fluid does this use?
DOT 4 brake fluid. Always use fresh fluid when replacing the pump assembly.
Can I fit this myself?
Yes, with basic mechanical skills and standard tools. Drain the old fluid, remove the old assembly, bolt on the new one, bleed the system, and set lever reach.
How do I know if my brake pump needs replacing?
Signs include a spongy lever, lever pulling to the bar, fluid leaking from the reservoir or around the lever pivot, or a gradual loss of braking power despite fresh fluid and bled lines.
Is this compatible with the Sur-Ron Ultra Bee?
No, the Ultra Bee uses a different brake system. This part is specific to the Light Bee X and L1E.
Does it come with brake fluid?
No, brake fluid is sold separately. We recommend using fresh DOT 4 fluid when fitting a new pump assembly.
How long does installation take?
Typically 30 to 60 minutes for a competent home mechanic, including bleeding the system.
Is this a genuine Sur-Ron part?
Yes, this is the genuine OEM Sur-Ron part, not an aftermarket replacement.
Can I use this on a road-registered Sur-Ron?
Yes, this is the OEM part for both the off-road Light Bee X and the road-legal L1E variant.
Why Buy From eMotoX Sports
eMotoX Sports is the UK’s dedicated electric motocross specialist. We stock genuine OEM and premium aftermarket parts for Sur-Ron, Talaria, and EBMX platforms, with fast UK dispatch and expert technical support. When you order from us, you are buying from riders who understand exactly what your bike needs.
