Wide Trail (WT) These tires are optimized for a 35mm inner rim width, but they show perfect behavior on all rims with an internal width of 30-40 mm. Double Down (DD): The DD casing consists of two 120 TPI plies. EXOPROTECTION technology. Tubeless ready. Approx. weight: 925g.. FILTER: MTB FILTER: 26 FILTER: 2.30 FILTER: FOLDABLE