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- – 4-month term
- – No impact on credit to apply
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
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30-day returns
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
Only 2 left in stock, order soon!
Arrives
Thursday, Nov 5
At a glance
- Condition
- New
- Weight
- 0.07 kg
- Material
- CNC 6061 T-6 Aluminum
- Load Capacity
- 2.5 oz per pair
- Item Pitch
- 0.38 in
- Item Length
- 7 in
- Strand Type
- Single
- In the box
- Chain Retention System
Features 5
- Genuine SE Bikes chain tensioners
- Constructed from durable alloy for reliable use.
- Silver color offers a sleek and clean look.
- Easily adjusts to take up chain slack, improving chain fit.
- Improved design enhances function compared to previous models.
Specs 19
| Load Capacity | 2.5 oz per pair |
|---|---|
| Brand | SE Racing |
| Item Pitch | 0.38 inches |
| Material | CNC 6061 T-6 Aluminum |
| Recommended Uses For Product | Bicycle chain tension adjustment |
| Brand Name | SE Racing |
| UPC | 785749816869 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Item Highlight | SE Bikes Alloy Chain Tensioner - Adjustable, Durable Bicycle Part |
| Unit Count | 1 Count |
| Item Weight | 0.07 kg |
| Manufacturer | SE RACING |
| Model | 4340 |
| Part Number | 4340 |
| Pitch | 0.38 inches |
| Item Length | 7 inches |
| Strand Type | Single |
| Material Type | CNC 6061 T-6 Aluminum |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Nov 5
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
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- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
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SE accessories for my SE bike! fit, finish and quality is great.
Reviewed in the United States on September 29, 2026 by alexander rodriguez
SE - works great!
Nice quality SE parts
Reviewed in the United States on April 1, 2019 by Design4life
They look really nice
Value for your money is not the best.
Reviewed in the United States on February 8, 2020 by Erik Jorgensen
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Práctico para la bmx
Reviewed in the United States on March 4, 2026 by Arlex Ferney Patiño Ponce
Be aware, this blue is dark
I originally purchased blue, but it does not match my big ripper. So I went with the silver color, which looks good. I didn’t realize the blue that came on my bike was not the same. They seem to be putting on all the parts now.
Reviewed in the United States on November 6, 2023 by Rob
Makes the tire swaps easy
Line them up once and makes tire changes easy
Reviewed in the United States on May 30, 2024 by Dug E Fresh
They work.
Clumsy iteration of an awesome idea.
Reviewed in the United States on August 14, 2025 by NordicFjord
Did the job
Great micro-adjustment to get tension and tire angle just right. A lifesaver for single-speeders
Reviewed in the United States on April 15, 2023 by Jane