Handlebar Weight 866233 Aprilia RS 457 RS 660

Handlebar Weight 866233 Aprilia RS 457 RS 660

Description

The handlebar weight 866233 is the genuine bar end weight used on modern Aprilia sport models. This handlebar counterweight is mounted at the end of the OEM clip-ons and helps to reduce vibrations at the grips and protect the handlebar in case of small drops or contact. It is an original Aprilia spare part, finished in black and designed to fit directly in place of the stock bar end without any modification.

Advantages

• OEM quality: genuine Aprilia handlebar weight 866233 as fitted on factory bikes, with correct shape and finish.
• Vibration damping: adds mass at the bar ends to reduce vibrations transmitted to the rider’s hands and improve comfort.
• Simple replacement: direct swap for the original bar end weight using the stock fixing hardware.
• Discreet protection: helps to protect the handlebar and grip ends in case of a low-speed tip-over or garage mishap.

Technical Details

• Part number: 866233.
• Description: black handlebar weight / bar end weight for clip-on handlebars.
• Position: mounted at the outer end of the left or right handlebar.
• Installation: fits in the original handlebar end with the OEM screw and internal anchor (not included).
• Supply: 1 x genuine Aprilia handlebar weight 866233 (sold individually – the bike uses two bar end weights, one per side).

Compatibility

• RS 457
• RS 660 2021-2024
• RS 660 E5+ 2025 (USA 2026)

FAQ

Is 866233 an original Aprilia handlebar weight?
Yes, 866233 is an OEM handlebar weight used by Aprilia on models such as RS 660 and RS 457, listed in the official handlebar controls diagrams as a black bar end weight.

Is this bar end weight sold as a single piece or as a pair?
The handlebar weight 866233 is sold individually. The bike uses two bar end weights (left and right), so you should order two pieces if you want to replace both sides.

What hardware do I need to mount the handlebar weight 866233?
You can reuse the original fixing screw and internal anchor supplied with the bike’s stock bar end weight. This part is designed as a direct replacement, so no additional brackets or adapters are required when installed on the compatible models.

Does this handlebar weight change the riding position?
No. The bar end weight 866233 does not affect handlebar height or position. Its role is to provide vibration damping and protection at the ends of the handlebars while keeping the original ergonomics unchanged.