Fast Forward F2R Full Carbon Clincher Road Wheelset with DT Swiss 240 hubs Fast Forward full carbon clincher wheels 24, 5 mm deep rims & high quality DT Swiss 240s hubs. The FFWD Full Carbon Clincher wheels have been thoroughly tested in all areas of road cycling. With field-testing on different terrains & lab tests for brake performance, the FFWD FCC have proven to be strong & durable. Both F2R FCC & F4R FCC are strong wheels that are technically able to handle riders over 100kg just like all our models. However not all terrains are suitable for every rider when it comes to Full Carbon Clincher wheels. Depending on the combination of factors like rider weight, terrain & intensity the best suitable wheel set can be chosen. We use High-Tensile TC-35 carbon for the majority of the lay-up. This gives the rim a very high strength with sufficient stiffness to cope with hard application of the wheels. So, rather than use a stiffer, but more brittle carbon type, we chose durabilit