Shimano rs81 c24 tl carbon road wheelset the shimano rs81 c24 tl carbon road wheelset are a pair of high performance racing wheels that meet the demands of todays professional and amateur riders the carbon and alloy tubeless clincher rims are lightweight and rigid whilst maintaining high braking performance with standard brake pads featureshigh lateral rigidity is improved with a wide flange spacinglabyrinth double contact sealing with low friction seals effectively shut out water mud and di