mountainbike helme 2018 BATFOX Bike Helmet,Mountain Bike Helmet Helmets for Men Women Adults Youth (Army Green, M(52-55CM)) : Sports & Outdoors City living? Small storage Jump Size:100

mountainbike helme 2018 BATFOX Bike Helmet,Mountain Bike Helmet Helmets for Men Women Adults Youth (Army Green, M(52-55CM)) : Sports & Outdoors City living? Small storage Jump Size:100

City living? Small storage space? Weekend adventures? The NCM Paris Plus Folding E-Bike is your perfect match! ✓ Lightweight design – easy to carry upstairs or onto public transport ✓ Compact folding

I agree with the other reviewer that these are quite big, although not cumbersome, and this might be a factor in the staying-on issue

Jump

Size:100

Choose the lowest (highest numerically) that the manufacturer offers for your tire/wheel package