Aceoffix Chain Tensioner

The Aceoffix Chain Tensioner is a chain-tension accessory made for Brompton-style folding bikes: a CNC-machined aluminium alloy arm and pulley that keeps the chain under tension. Supplier listings name Brompton as the intended bike, and it comes in several colours to match your build.

Key points

• Category: chain tensioner
• Brand: Aceoffix
• Material: aluminium alloy, CNC machined
• Fits: Brompton, per supplier listings
• Colours: Several colours available; see the colour options on the product page

Specifications

Item	Specification
Brand	Aceoffix
Category	Chain tensioner
Material	Aluminium alloy, CNC machined
Compatibility	Per supplier listings: Brompton; please contact us to confirm other bikes
Colours	Several colours available; see the colour options on the product page

Specification sources: Jollymap's existing product photo and supplier listings.

Related Aceoffix parts and bikes

Other Aceoffix parts for Brompton-style bikes: Aceoffix Easy Wheel (pair), Aceoffix Hinge Clamps, Aceoffix Seat Clamps, Aceoffix Folding Mount.

FAQ

Which bikes is the Aceoffix Chain Tensioner for?

Supplier listings name Brompton. Fit on other trifold bikes such as Pikes or 3Sixty is not confirmed, so please contact us before ordering to confirm it suits your bike.

Specifications and components follow the manufacturer's latest release and may change without notice. If in doubt, please contact us to confirm before ordering.

Last updated: October 2026