You are reading a single comment by @dancing james and its replies.
Click here to read the full conversation.
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
dancing james
EN 14781 4.15.4 Chain protective device
A protective device shall, as a minimum, shield the side-plates and top surface of the chain and the chain-wheel for a distance of at least 25 mm rearwards along the chain from the point where the chain wheel teeth first pass between the side-plates of the chain
4.10.2 Wheel/tyre assembly – clearance
Alignment of the wheel/tyre assembly in a bicycle shall allow not less than 4 mm clearance between the tyre or the rim and any frame or fork element or a mudguard and its attachment bolts.