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Keep your rear wheel aligned and drive chain tensioned correctly with this complete Pair of Rear Axle Chain Adjuster Tensioner Plates. Featuring a wrap-around U-bracket design, these pull-style tensioners slide directly over the ends of boxed or square swingarms. Originally equipped on the CSC SG250 San Gabriel, this versatile kit fits a wide variety of 125cc to 250cc motorcycles, pit bikes, minibikes, and scooters.
Included in Package:
- (2) Rear Axle Chain Adjuster Bracket Plates
- (2) M8 x 50mm Hexagon Head Tensioner Bolts
- (4) M8 Hex Nuts (Grade 8 Finish)
Product Specifications:
- Plate Length: Approximately 3.0 inches (76mm) overall bracket length
- Bracket Style: Outer-wrap u-bracket / boxed swingarm style
- Plate Finish: Eco-friendly Trivalent Chromium Blue & White Clear Zinc Plating
- Hardware Grade: High-tensile Grade 8 steel hardware
- Fitment: CSC SG250, Zongshen ZS125-55 platform, CG125/CG250 motorcycles, pit bikes, vintage minibikes, and custom project bikes.
Key Features:
- Sold as a Pair: Complete kit includes both left and right side tensioners plus adjustment hardware for a full rear-end refresh.
- Weather & Rust Protection: Zinc-plated finish prevents corrosion, rust, and seizing from moisture and dirt exposure.
- Easy Maintenance: The dual-nut locking setup allows precise thread adjustment and secures the tensioner bolt against loosening from vibration.
Measurement Tip: Check your swingarm end dimensions and axle diameter (fits standard 12mm to 15mm axles) prior to purchase to confirm clearance.
- MSRP: $17.95
- You Save: $1.00 (6%)
- Brand: Pirate Mfg
- Color: Metallic
- Condition: New
- SKU: SG11-125
- Manufacturer Part Number: SG11-125
- Warranty: None
- Material: Steel
- Model: Chain Tensioner for SG250
- Country of Manufacture: CN
- Amazon Shipping Template: Freeship48
- Universal Fitment: Yes
- Performance Part: No
- Items Included: (2) Chain Adjuster Plates, (2) Bolts, (4) nuts
- Vintage Part: No







