26ER Fat Bike Double Wall Carbon Fiber Fat Rims 80mm width tubeless double wall fat bike rims with 25mm profile. Also compatible with clincher. But it is highly recommended to use tubeless tire for better tire fitting. The rims also has auto lock socket for tire.Item26er Fat Bike Carbon Double Wall RimsItem No.RYF680Warranty1 yearSize26"Use forFatbike, Fat Tire Bikes, Snow BikeERD MaterialCarbon Fiber Toray T700Inner width75mmTypeTubeless/Hookless compatibleOuter width80mmSpoke hole28/32 /36HDepth25mmWeaveUD3K12KWeight650±20gFinishmatt/glossyTire size3.8"+Decalcustomized or TIMETECMax weight limit150KGSStandardEN standardMax type pressure50PSIBrakeDisc brake only  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. 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.