Joined: Dec 2009
Posts: 1,808
Likes: 188
From: Denver area (Ken Caryl Valley)
Bikes: 2022 Moots RCS, 2014 BMC SLR01 DA Mech, 2020 Santa Cruz Stigmata, Ibis Ripmo, Trek Top Fuel, Specialized Epic Pro, Pivot Les Fat
Should be okay. It is better to ride sans helmet than with one that gives you brain pressure AND oxygen deficit. Plus, 22-24 on flats is not that hard for you. If there are hills and mountains, you better just join them for the downhill portions.