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An overly tight chain will be rough and cause excess wear on sprockets, bearings, and even the counter-shaft seal and it can also cause premature stretching and weakening of the chain. On the contrary, if your chain is loose it could hit the frame, cause a jerky throttle response, or worse even fall off! The Bonamici 2021+ Aprilia RSV4 / Tuono V4 Aluminum Tensioner Chain Adjuster is easy to install and adjust by turning the rotating knob and clicking into place, the advantage to the Bonamici Chain Adjuster is that it allows the rider to make quick and accurate adjustment of the rear wheel on both sides so you're chain is straight, rear wheel even, and at the proper tension. Sold in Sets (Left + Right).
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We absolutely love when the words "return" and "easy" are in the same sentence! If you've received an item that you would like to send back for return or exchange just click HERE to send us an email. Most products are completely covered under an awesome 30 day return policy. You send it to us, we inspect it, it's that easy!
The fine print: Some one-time use items & specialty items are unable to be returned. Not to worry, these items make up less than 1% of our inventory. If you are unsure message us first. Returns are expected to be in 100% resellable condition. It's just common courtesy toward the person who will get the item in the future. Please, do not remove tags or make alterations unless you plan to keep the item.