Fizik tundra m5 vs bike saddledesigned for cross country cycling, the tundra m5 vs bike saddle from fizik incorporates the best technology fizik has to offer, to provide you with a comfortable and durable saddle that you can count on.fizik's tundra m5 vs saddle is ideal for cross country racing and riding. This saddle combines the best of fizik's rd to offer something bespoke to meet your needs a central relief channel.the tundra m5 vs is relatively flat whilst keeping the long and narrow shape of earlier models so that you can deliver prime power transfer and great support without losing the freedom of movement. Advanced materials and hand made processes provide a saddle that is both effective and light at just 235g.the tundra m5 vs s alloy features a strong, light composite carbon reinforced nylon shell, with wing flex technology to offer flexibility where your thighs meet the saddle. The inclusion of a new s alloy rail guarantees strength whilst saving weight.a comfort channel, made from comfort pu foam for maximum soft tissue comfort no matter how hard you hit the trail, is present along the length of the saddle.featuresuse mountain bike mtbshell carbon reinforced nylon wingflexrail manganesecover microtex neroside cover anthracite printed microtexrear cover black cordurapadding low density with pressure relief channelstiffness flex wing flex technologydimensions 290x125mmintegrated clip system compatibleweight 235gbuy fizik components from chain reaction cycles, the world's largest online bike store