Aero Time Trial TT Bike Carbon FramesetThis is a entry level TT carbon frame but proven to be good quality bike frame. Materials is from Japan Toray T700 high moduluas carbon fiber.Comptilbe with Di2 groupset. BSA or BB30 bottom bracket. Internal cable routing make it a clean Timetrial bike. This frameset includes frame, fork, seatpost, headset. ItemAero Time Trial Bike Carbon Frame setItem No.SFT833Warranty2 yearsSize46cm,48cm,50cm, 52cm,54cmUse forTimeTrial Bike, TT BikeDisc rotor sizefront and rear 160mmMaterialHigh Modulus Carbon Fiber Toray T700Quick ReleaseFront 100*9mm QR, Rear 130*9mm QRCarbon WeaveCarbon Aero UD MonocoqueHead tubetop 1-1/8" down 1-1/4"Finishmatt/glossybracket typeBB30 and BSACable RoutingInternal CableWeight1350±45g(frame 52cm)StandardEN standardBrake systemNormalDecalcustomized or TIMETECSeat PostAeroGoupsetDi2 and Mechanical compatibleMax tire size700C X23CDecalcustomized or TIMETECRider Weight Limited115KGSInlcudingFrame/Fork/Seatpost    There 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. We offer 1 year warranty for wheels/rims and 2 years for frame/fork/seatpost. You can claim for replacement or refund after you receive our products. Below are the warranty procedure:1. Please make sure the warranty is valid before submitting your claim. 2. Please send an e-mail to warranty@timetec-cn.com with below details. - Order number, Item number, specification (size, weave, finish, spoke holes, hub etc.). - Clear pictures or video to show the defective parts.- Description of how long and often you have used the products, how you found the defect. More details will be highly appreciated. 3. If your product is confirmed to be defective in manufacturing technique, you can submit an return or exchange claim. But pls make sure items are in below conditions.- Items are new and without being used- Items are packed in original package. If can’t be returned with original package,you must pack it with safety box to avoid damage during return. Also all spare parts concerned must not be lost.4. Normal wear parts like spokes ,hubs,nipples,rims/frame crash are not under warranty as well as the accident damaged.5. If you are not satisfied with the produts you buy and want to exchange or return, you just need to pay the return shipping cost.Xiamen Timetec reserves the ultimate right to interpret the above warranty policy.1) Retail saleWe accept Paypal, Western Union and TT. 2) Bulk orderT/T and L/C are acceptable. If you need other payment methods. Please contact us by service@timetec-cn.com. Thanks!