---
product_id: 35946452
title: "SI-40 Snaplidle Floating Chain Tensioner"
brand: "snapidle"
price: "£86.07"
currency: GBP
in_stock: true
reviews_count: 1
url: https://www.desertcart.co.uk/products/35946452-si-40-snaplidle-floating-chain-tensioner
store_origin: GB
region: United Kingdom
---

# SI-40 Snaplidle Floating Chain Tensioner

**Brand:** snapidle
**Price:** £86.07
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** SI-40 Snaplidle Floating Chain Tensioner by snapidle
- **How much does it cost?** £86.07 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/35946452-si-40-snaplidle-floating-chain-tensioner)

## Best For

- snapidle enthusiasts

## Why This Product

- Trusted snapidle brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

SI-40 SnapIdle Floating Chain Tensioner Free floating No mounting bolts No bearings No tensioning arm No idler sprocket No lubrication Less installation time Less sprocket wear Less chain wear Less maintenance Snapidle's patented device introduces minimal wear to the chain or other driveline components. This device is protected by U.S. Patent No:4,662,862 - 4,798,562. Foreign Patents Pending. Snapidle provides a constant amount of tension to the chain drive, increasing drive life. It tensions, guides, quiets, controls and increases both the chain and the sprockets life. Unlike conventional idler sprockets, it doesn't require any ancilliary mounting devices. Further, it never requires maintenance. Constructed of UHMW, it is self lubricating and nearly silent

## Images

![SI-40 Snaplidle Floating Chain Tensioner - Image 1](https://m.media-amazon.com/images/I/413B42cd1UL.jpg)

## Questions & Answers

**Q: How wide of a chain can fit ?**
A: I put it on a 35 mm chain but it is meant for a larger chain.  It works fine on the 35mm.

**Q: What are the dimensions of this tensioner?**
A: The side straps are 12" long. The main body, where the chain rides, is 3" long and 1.5" wide. The width of the internal area where the chain rides  is 5/8" wide.

**Q: Will  this with a #410 bike chain  1/2 x 1/8" ?**
A: Yes

**Q: Do you sell electric starters for 212cc predator motor?**
A: Thanks for your interest! Sorry but no. 

We specialize in industrial bearings, seals and power transmission equipment. That includes roller chain, sprockets, couplings, lubricants and associated special tools and accessories.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works Well!
*by J***S on April 7, 2019*

Wasn't sure how it would work. Turns out it work good! Keeps the slack out of the chain. Good if you don't have an idler. Stays in one place

## Frequently Bought Together

- SI-40 Snaplidle Floating Chain Tensioner
- ACDelco Gold 38009 Flanged Idler Pulley

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**Shop now:** [https://www.desertcart.co.uk/products/35946452-si-40-snaplidle-floating-chain-tensioner](https://www.desertcart.co.uk/products/35946452-si-40-snaplidle-floating-chain-tensioner)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-02*