I'm building a new gravel-specific bike so I decided to get a set of Bon Jon Pass 700x35c tires for a road-specific setup of my Nicasio. . They absorb less energy as they deform with each tire revolution. Compass Barlow Pass: Compass tires combine the performance of high-end tubular tires with the convenience of clinchers and the width needed for allroad riding. $69.00 Compass Switchback Hill Tire 650b x 48 Standard Casing, Tanwall Add to cart ... Compass Babyshoe Pass Tire 650b x 42 Standard Casing, Tanwall . Tread and casing can depend on local conditions, too. Been on the fence on what to do with my 650b wheelset though. They are made by panaracer and are very supple and roll beautifuly on the road and hard pack surfaces. Barlow Pass 700C x 38 mm; Loup Loup Pass 650B x 38 mm; ... anyone wondered what the diference between a identical sized Compass std. Depending on tire width, there were different standards for the inner diameter. Our supple casings roll smoothly over surface irregularities. Super fast and supple. . At the time, the exact outer diameter of the wheel was determined by the brake. Compass Barlow Pass Tire 700c x 38 Standard Casing, Tanwall . Flat protection is always going to be a lower priority with tires of this sort, but this is my third set of Compass/Herse tires (different bikes) and I've never found them to be particularly flat-prone. 27.5″ tires have an inner diameter of 584 mm and are identical to the old French size 650B. $71.00 Compass Fleecer Ridge Tire 29" x 2.2 ( 700c x 55 ) Standard Casing, Tanwall In Florida, we have pavement and sand, but really no rocks or mud to speak of. From there, I moved the Barlow Pass tires to my gravel-specific 700c wheelset for longer endurance rides that are mostly on pavement. Also with a bit of fettling can fit sks p45 guards. Compass tires make your bike feel alive. I have a set of Rene Herse 38mm Barlow Pass tires, and I’m wondering how they would fit on the Discus 45/40 rims for WAM/RAM. I run them around 50-55 psi. 1. tread blocks don't help then anyway. I've used various sizes of Compass tubeless "Extralight" tires (28mm up to 42mm, including BabyShoe Pass 650b). 650B: 42mm: 11.6 L: 233%: Compass Baby Shoe Pass (390g, 362g), Grand Bois Hetre (412g) 650B: 48mm: 15.5 L: 343%: Compass Switchback Pass (478g, 413g) 26″ 32mm: 6.3 L: 81%: Compass Elk Pass (178g) 26″ 38mm: 9.1 L: 159%: Compass McClure Pass (366g) 26″ 44mm: 12.4 L: 254%: Compass Naches Pass (350g, 300g), Compass Slumgullion Pass … A few years ago 27.5″ was added to the available sizes. looking at specs and having a pair of 40mm SK’s and 35mm extralight’s im pretty sure that the standard Compass tyre is 100% identical to a slick threaded Gravelking appart … First pic is with 700c h plus son archetype rims with 700x38mm compass Barlow pass extra light tyres. I've found a true slick like the 650b x 48 Rene Herse (formerly Compass) Switchback Hill to be the fastest tire here, and I don't have traction issues unless the sand gets deep. I've run the 700C X 38 Compass Barlow Pass tires on the stock wheels, which I've been enjoying a lot, and I'm looking to hopefully increase the "supple" factor. and a Panaracer Gravelking is ? They are truly wonderful tires.