Extra-precise Chain Adjuster set Aprilia Tuono V4 1100 RR (2017 - 2020)

CNC Racing chain adjuster kit – Aprilia

• Precise adjustment with a micrometric scale (laser-engraved on both adjusters)
• Replaces the OEM chain tensioners 1-to-1 – fits without modifications
• CNC-machined from solid Ergal 7075 aluminium, high-quality anodized finish
• Clear graduations for precise wheel alignment on both the left and right
• Complete: set of two adjusters (left + right)

A small upgrade, a big difference. These chain adjusters give your Aprilia’s swingarm a visibly premium touch while also making chain tension adjustment faster and more consistent. Thanks to the fine, laser-engraved scale, you can adjust both sides exactly equally. This provides a repeatable setup - ideal during maintenance or after changing a tire.

Technical details

The adjusters are CNC-machined from solid Ergal 7075 aluminium and then anodized for lasting color depth and corrosion resistance. The micrometric scale is marked on both adjusters, allowing you to correct the wheel alignment symmetrically and in small increments. The kit is supplied as a set for the left and right sides.

Installation & maintenance

Installation is straightforward in the original position on the swingarm. Set the chain tension according to the workshop manual and check the alignment carefully. To preserve the anodized finish: clean with lukewarm water and a neutral cleaner ; avoid aggressive degreasers and pressure washers.

Q&A

What are the advantages over the standard tensioners?

The clear scale and precise fit help you adjust both sides exactly equally. This makes alignment more consistent and the work faster.

Are they compatible with paddock stands and axle sliders?

Yes, the adjusters engage with the original swingarm positions and work with common paddock stands and, where fitted, bobbins/axle sliders.