• Not officially but I've just put 200 miles on mine with no issues, only running 35psi. Thought the 1.75 were 410g?

  • Nope, weighed them a few days ago and 350 on the dot. I run them at 35psi too. What sealant and tape combination did you use? Keen to try.

  • They do seem light but was going off internet wieghts! I just used the Stans tape (I think I used the cheap copy off ebay Tesa 4289), two layers and stans sealant (on crest rims) Went up easy and stayed up after the initial drop over night whilst the sealant sealed around the edges, etc.
    Had a puncture last night going home and it sealed itself and still up this morning

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