2 years warranty for the rims. Maybe not the cheapest, but the best quality and after sale service. VelosaTechnology Why 'U' shape ? Special Design AERO rims ,goodfor heavy riding and racing. 24.8mm width tubular, 26.8mm width rim body. U-Shape. This structure provide "best aerodynamic performance and lateral strength" have a "perfect balance" of weight,strength and inertia. In theweight-bearing parts , we use Toray T800 carbon fiber to provide the best strength. One piece layer Specifics Set Weight Clincher 1480g Tubular 1300g Max recommended rider weight 250lbs Front Wheel Weight 580g-Tubular 665g-Clincher Rim Used V50T/V50C Hub Used Powerway R13/R36 ceramic Rim Depth 50mm Brake Track Width (center) 24.8mm Max Width 26.8mm Internal Width 17mm Spokes Pillar® X-TRA 1420 aero Spoke Count 20 Spoke Pattern Radial Spoke Length 252mm Max Tire Pressure 125psi Max Tire Pressure 8.5bars Track Adaptable No Brake Surface Basalt fiber Nipples Pillar® alloy nipple External Nipples Yes Rear Wheel Weight 720g-Tubular 815g-Clincher Hub Used Powerway R13/R36 ceramic Rim Used V50T/V50C Rim Depth 50mm Brake Track Width (center) 24.8mm Internal Width 17mm Spokes Pillar® X-TRA1420aero Spoke Count 24 (16:8) Spoke Length Non-Drive 252mm Spoke Pattern Non-Drive Radial Spoke Pattern Drive 2 x Cross Spoke Length Drive 257mm Max Tire Pressure 125psi Max Tire Pressure 8.5bars 11-speed compatible hub Yes Track Adaptable No Brake Surface Basalt fiber Nipples Pillar® alloy nipple External Nipples Yes Hub Compatible SHlMANO 9/10/11s Campy 10/11s NOTE: If you decide to purchase, please choose from the following order spec template and leave a message to us. WEAVE:3K or UD or 12K FINISHING:The standard option is Matte finish with glossy decals. HUB COLOR:Black HUB COMPATIBILITY:SHIMAN0 9/10/11 Speed orCAMPAGN0L09/10/11 Speed SPOKES COLOR: Black or White Color NIPPLES COLOR:Black or Red Color Pillar PSR X-TRA 1420 spokes , super light at 4.3g/pcs(260mm) Powerway R13 ceramic/ Powerway R36 carbonceramic Detailed photos Shipping and Delivery We ship to worldwide countries, via EMS/DHL/China Post Air Parcel. China Post Air Parcelwill take15-30business days. EMSreach most of the countries in7to 20business days. Delivery time depends on destination and other factors,China Post Air Parcel andEMS may takes up to60business days; DHL usually takes2-7business days, and it may take up to12business days because of the destination and other factors; In some European country ,custom duties is very high,we recommend XDB express. The shipping cost will be expensive than EMS, but this shipping mode can helpyou safethe taxes and custom duties. PlsNOTE: We are not responsible for: (1)Compensating you for payment of any import or value added taxes caused by your countries (2)Products seized by your local customs.We can't control any option or right that customs holds. (3)Any delays, accidents or any other issues incurred by the shipping companies or the weather. Warranty We provide2-year-warrantyfor our carbon rims. If there are any manufacturing defects found, we are responsible to do replacement within 30 days without any extra cost collected. However, the warranty does not cover: Normal wear ofbraking surface/pads/bearings and pawls in the hub and improper assembly or follow up maintenance, damage or failures caused by a crash, impact, abuse of the product, non-compliance with manufactures specifications of usage or any other fractious reasons; When the serial number or production code has been deliberately altered, defaced or removed. 
