Your Brompton's rear frame is tougher than it looks. The paint isn't. Every fold, every gear shift, every ride — the chain rubs, cables catch, and those small marks accumulate fast. This aluminium alloy set covers the three spots that take the most abuse: the chainstay, the rear fork, and the E-hook area. Laser-etched Union Jack detail, four colour options, 13.5g total. How it works The set includes four pieces that fit onto the key contact zones of your Brompton's rear end. The chainstay guard sits flush alongside the chain to stop rub marks on the frame. The rear fork cover protects where the folded wheel and cables make contact. The E-hook protector shields the dropout area from chain slap and general wear. The Union Jack shield badge clips on as a finishing detail. Fitting is tool-free for most pieces. For extra paint protection, apply a thin strip of clear tape to the frame surface before sliding each piece into place — not required, but a good habit on a bike you care about. Key features Four-piece set — chainstay guard, rear fork cover, E-hook protector, and Union Jack shield badge all included Aluminium alloy construction — lightweight at just 13.5g for the full set Laser-etched Union Jack badge — engraved into the metal, not a sticker; won't fade, peel, or lift Four colour options — black, silver, gold, and red to match or contrast your frame No permanent modifications — no drilling, no adhesive; removable if needed Which colour should I choose? All four variants are identical in fit and function — only the anodised finish differs. Black is the most discreet and works on any frame colour. Silver is clean and classic, especially on raw or silver frames. Gold is bold and very popular on black frames. Red is a nod to classic Brompton red, with strong contrast on dark frames. Not sure? Send us a message and we'll help you decide. Got a question? Want to check fit against your specific Brompton model before ordering? Contact us — we're happy to help. Specs Material Aluminium alloy, anodised finish Weight 13.5g (full 4-piece set) Pieces included Chainstay guard, rear fork cover, E-hook protector, shield badge Colours Black, Silver, Gold, Red Badge detail Laser-etched Union Jack Compatibility Brompton C Line, A Line, P Line — confirm G Line and T Line before ordering Installation Tool-free; clear tape under pieces recommended for paint protection Origin China