Brompton bike owners, this chain tensioner is a serious upgrade for your folding bike! Made from CNC aviation aluminum alloy, it's both lightweight (around 130g) and rust-proof, making it perfect for all-weather riding. The red color adds a cool custom look to your Brompton, and it directly replaces the original chain tensioner without any modifications needed. The 18x13x6cm size fits perfectly and works with any speed Brompton - whether you have a single speed, 2-speed, 3-speed, or 6-speed hub. London Craftwork knows Bromptons inside and out, and this tensioner shows their attention to detail with smooth operation and precise engineering. Installation is straightforward if you're comfortable with basic bike maintenance, and you'll immediately notice the improved chain management and cleaner look. The quality is noticeably better than stock - the bearings spin smoothly, the construction is solid, and it maintains perfect chain tension through all folding and unfolding cycles. Whether you're upgrading for performance, replacing a worn-out tensioner, or just want to customize your Brompton's appearance, this tensioner delivers both function and style. It's one of those mods that actually improves your riding experience while making your folding bike look more unique. The packaging includes everything you need, and the build quality suggests this will last for thousands of miles of urban commuting and folding adventures.
Free 30-day returns 
Free 30-day returns
