They have no sharp edges and are amazingly flexible chromoplastics have a worldwide reference for mudguards of the highest quality and are fitted to top of the range bicycles by specialized quality manufacturers in many countries to retrofit with chromoplastic mudguards immediately upgrades any racing trekking city or mountain bike all accessories are made of stainless steel stays with a diametre of 34mm as well as bolts and nuts the decor stripes give the chromoplastic an unmistakeable