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- Chain Tensioner w/ Spring for Razor MX350, MX...
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Item #:
57931828
Chain Tensioner w/ Spring for Razor MX350, MX400 Dirt Rocket RSF350
76% of respondents would recommend this to a friend
Item #:
57931828
SLE 470
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
20%
0 ratings
Write a review
In stock
Imported from USA store
Order now and get it around Sunday, September 20
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Keep your MX350 and MX400 electric Dirt Rockets running like new with our replacement Silver Chain Tensioner!
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Complete Replacement Kit
Includes a spring, roller adjuster, and necessary hardware for a comprehensive replacement solution, ensuring your Razor bike maintains optimal performance.
Durable Construction
Built with high-quality materials to withstand the rigors of off-road riding, providing enhanced longevity and reliability over competing tensioners.
Easy Installation
Designed for quick and hassle-free installation, allowing riders to replace the tensioner with minimal tools, saving time and ensuring a smooth ride.
Product Details
Product Technical Details
| Item Package Dimensions L x W x H | 3.5 x 1.25 x 1 inches |
| Package Weight | 0.05 kg |
| Item Dimensions LxWxH | 4 x 6 x 1 inches |
| Brand Name | AlveyTech |
| Number of Items | 1 |
| Manufacturer | AlveyTech |
| Part Number | W75-8273 |
Who Should Buy?
-
Dirt Bike Enthusiasts
Ideal for riders who need reliable chain tension adjustments for improved performance and safety on dirt tracks.
-
Razor Owners
Specifically designed for Razor MX350, MX400, and RSF350 models, ensuring a perfect fit and easy installation.
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Maintenance Hobbyists
Great for DIY maintenance lovers who enjoy repairing and upgrading their bikes with quality components.
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Casual Riders
Not suitable for occasional riders who may not require advanced chain tensioning capabilities or equipment.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this chain tensioner compatible with the RSF350 Sports E-Bike?
Answer: Yes, the AlveyTech Silver Chain Tensioner is compatible with the RSF350 Sports E-Bike. -
Question:
What tools are needed for installation?
Answer: Minimal tools are needed for installation of the Silver Chain Tensioner. -
Question:
Does the chain tensioner come with all necessary hardware?
Answer: Yes, the Silver Chain Tensioner comes with all necessary hardware, including springs, M6 x 1.0 threaded bolts, and nuts. -
Question:
What is the inner width of the pulley (mm if possible)?
Answer: Look up Razor chain spec. -
Question:
Will this work with a #35 chain?
Answer: Works with Razor chain. -
Question:
Is the pulley metal or plastic?
Answer: Metal. -
Question:
Will this work with a 420 chain?
Answer: Works with Razor chain.
AlveyTech Chain Adjusters Editorial Review
No editorial reviews found
Customer Reviews & Ratings
106 customers ratings
-
5 Star
60%
-
4 Star
13%
-
3 Star
12%
-
2 Star
5%
-
1 Star
10%
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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SLE 470
Order now and get it around Sunday, September 20
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Replacement Silver Chain Tensioner for Razor MX350 and MX400 Dirt Bike Rockets
- Ensures a smooth ride for you and your loved ones
- Made from high quality materials
- Easy DIY installation
- Compatible with all versions of Razor MX350 and MX400 Dirt Bike Rockets
- Includes extra spring for added value
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Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.