When Zipp introduced their 303 XPLR rims, they broke new ground with respect to rim width: a whopping 40 mm (outer) translates to 32 mm where it matters, on the inside of the rim. Zipp developed the 303 XPLR for gravel bikes and suggests running tires as narrow as 40 mm, with a… read more

When you watch a big Tour or head to a local gravel race, you’re likely to see only carbon bikes. If you’re lucky, there may a titanium frame or two at the local race. On mainstream cycling websites, it’s the same: carbon everywhere, at least as far as performance bikes are concerned. If… read more

We get this question from time to time: Can you inflate Rene Herse TPU tubes with pumps that connect to the valve with a hose? The valve stem is smooth. The hose of the pump needs threads to hold onto the valve. Here’s why it works just fine: The valve stem is smooth, but… read more