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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).
- Ships from the USA.
- Most orders processed within 24 hours.
- Average transit time is 3 business days.
- We ship with either USPS, UPS or FedEx.
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