Reference

Commuter, road, gravel and e-bikes: valves, bar sizes and kit space

Pick your kind of bike to see the valves and handlebar sizes it usually has, how to confirm yours, and the pumps, lights, bags and mounts that suit it.

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Your bike type

Choose your bike type to see the key facts and what fits. Each fact links to its source on the full page.

Fits the most bike types

Fits 2 of 7Garmin Varia RTL515 rearview radar with tail lightVaria RTL515, radar with tail light (010-02376-00)Check price on Amazon
Fits 2 of 7Topeak Fuel Tank top-tube bag, Large (0.75 L)Large, 0.75 LCheck price on Amazon

All bike types

Commuter bikes How to check the valve on your commuter bike, lighting rules in three example places, and the pannier, rack and runtime figures makers list.2 products that fit
Road bikes Check your road bike's valve and rims before buying a pump: Presta locknuts, Presta-only pumps, hookless rim limits and 31.8 mm out-front mounts.1 product that fit
Gravel bikes Tubeless seating and sealant, plug tools, frame bags sized by the frame, bolt-on top-tube packs and large seat packs, with each maker's stated limits.
Mountain bikes Mini pump maximums from 60 psi, shock mode vs tire mode on one pump, tubeless plug tools and a carbon-rim tire lever caution, from makers' pages.
Casual and hybrid bikes How to tell Schrader, Dunlop and Presta apart on a casual or hybrid bike, which heads makers list for each, and the bar ranges of light and phone mounts.
E-bikes ORTLIEB's 20 mm hooks for 17-20 mm rack tubes, Brompton Electric's own block, 16 CFR 1512 and UL 2849, and CPSC's charging advice for e-bike batteries.2 products that fit
Folding bikes (Brompton) Brompton Front Bags carry up to 10 kg on the frame, Brompton Electric needs its own block and bag, and the US block lists A, C, P, T and G Line fitment.