Road TT Bike Carbon Disc Wheels If you need a 21mm width fully carbon disc wheels but good rotation performance, our 21mm widh wheels is your best choice as it is fixed with chosen highend hub.both clincher and tubular types are available. It is also a good fixie gear disc wheel. ItemTT Bike Carbon Brake Disc WheelsetItem No.WZDS21Warranty of rim1 yearSize700CUse forFixie, Fixed Gear, Road Bike, TT BikeERD MaterialCarbon Fiber Toray T700Inner width TypeClincher or TubularOuter width21mmSpoke holeNilDepth Weave3K12KWeight of wheels1280g±45g(clincher), 1120g±45g(tubular)Finishmatt/glossyTire size Decalcustomized or TIMETECMax weight limit120kgsStandardEN standardMax type pressure120 psiSpokeNilHub BrandPowerway 11SNippleNilFreehub bodyFixie: single speed; Road/TT bike: shimano 9/10/11S or campagnolo 11SBrake systemC brakeHub SpaceFixie: R120*10mm Road/TT Bike:R130*10mmThere are three options. 1) Customized logos and painting.2) TIMETEC decal.3) Blank. Note: For customized logos and painting, there will be surcharge. Please contact us by info@timetec-cn.com for surcharge and the operation process. 1) Retail saleGenerally we send the products(Rims, Wheels, Frame) by EMS. It takes about 7-21 days and varys with different countries.For accessories, China Post Registered Air Mail is the first suggested shipping option because of favorable shipping cost for customers, which takes about 14-60days.Meanwhile, we also can support other shipping method ( TNT, DHL, UPS, FEDEX, XDB),Please contact us by service@timetec-cn.com and confirm shipping method. Thanks!2) Bulk orderWe can ship the products by air or by sea.