Overview
This OEM HENGJIAN brake arm S7-Z300-22.2-3A (3A) is a replacement component for the rear brake linkage on Hengjian S8-Z300 2-stroke enduro motorcycles, ensuring accurate force transfer from the brake pedal to the braking system during demanding off-road use.
Key features
- Application-specific geometry matched to the Hengjian S8-Z300 rear brake assembly for consistent pedal travel and braking response.
- Robust construction designed to withstand repeated high-load braking, mud, dust and vibration typical of enduro and cross-country riding.
- Works together with the dedicated HENGJIAN brake arm bearing (6000RS) and brake arm assembly within the same platform for smooth, low-friction operation.
- Direct-fit OEM spare part identified by code S7-Z300-22.2-3A (3A), simplifying part identification and replacement without modification.
Technical details
| Manufacturer | HENGJIAN |
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| Part type | Brake arm (rear brake linkage component) |
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| Part number | S7-Z300-22.2-3A (3A) |
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| Vehicle platform | Hengjian S8-Z300 2-stroke off-road / enduro motorcycle |
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| Brake system role | Rear brake linkage component within the S8-Z300 braking system |
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| Mounting | Designed to fit the original S8-Z300 rear brake assembly and associated brake arm bearing |
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The Hengjian S8-Z300 platform uses a powerful 293.2 cc water-cooled single-cylinder 2-stroke engine with disc brakes, so brake components are engineered for precise control and durability in aggressive off-road conditions.
Typical use cases
- Replacing a bent, worn or damaged original brake arm after impact or intensive enduro use.
- Restoring factory brake pedal feel and response on Hengjian S8-Z300 off-road motorcycles.
- Preventive maintenance when overhauling the rear brake pedal assembly together with the brake arm bearing and pivot hardware.
- Maintaining OEM-spec brake performance on competition or training motorcycles operating in mud, sand or rocky terrain.
Compatibility
This brake arm belongs to the dedicated spare parts range for the Hengjian S8-Z300 platform and is intended for use on S8-Z300 motorcycles equipped with the corresponding rear brake assembly.
| Brand | Model | Year |
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| Hengjian | S8-Z300 (2-stroke enduro) | N/A |
