So apparently I need to win the lottery … The SW version is similar to the Firecrest range with dimples and a lighter / higher-end hub (MSRP $2100USD). The S model has smooth walls and a 150g heavier hub (MSRP $1400USD). [image] 303 XPLR - Zipp The Zipp 303 XPLR SW and S are the fastes…

[image] slrservice: I thrashed a pair of 38mm pathfinders to the limit in arizona last month and didn’t get one single flat on a standard pair of scott syncross cx wheels at 20 psi running on stuff like this. Cost me 2oz sealant per week mind you, but never had to plug or add air Seems you ha…

Ok anyone used these on some hard rides / races and have feedback? I have a set and on training rides they feel great but scared to run them this weekend for my first race given some of the issues ppl have had with flats. Planning on running 47s with them fwiw. @gpl in case you have a longer term…

Fwiw, I rode the Slick’s all fall/winter long on relatively chunky gravel (and flat-out MTB conditions) in Mallorca - without a single puncture/death. Then, last month I did 500KM across Morocco on the INTR, including some rather sharp/spicy stuff at time, also, without any deaths. However, the s…

The 45’s. It’s higher, for sure. Recommended from SRAM for my weight/bike is 29 front, 31 rear. But, like most people running that combo, eventually you get sidewall punctures if you stick to SRAM’s recommendations, which seem to skew optimistically lower.

The need to run higher pressure feels like it goes against the whole premise of larger tires / wider inner diameter

I agree. The biggest reason why I bought fatter internal width rims was to run lower tire pressures. Zipp said the aero benefit of their wheels was only in the 1-3 watt range for average race speeds.

Zipp 303 XPLR Wheelset

Equipment

AlphaDogCycling April 13, 2025, 1:46pm 123

What width tire? That pressure seems very high. I run ~30psi on 40mm tires on 21mm IW rims

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Zipp 303 XPLR Wheelset

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