A rider who has not bought a bike in fifteen years finds the one they want online. Then they hit the size dropdown: small, medium, large, or fifty-four, fifty-six, fifty-eight. They are five foot nine, which apparently puts them between two sizes, and every forum says something different.
That dropdown is where most online bike sales are lost.
What riders ask
Riders usually ask what size they need for their height, what to do if they fall between sizes, how road, gravel, mountain and hybrid sizing differ, what inside leg has to do with it, whether the stem or seatpost can be adjusted, whether a smaller frame is better for comfort, whether women's specific models differ, whether the bike comes assembled and whether it can be exchanged if the size is wrong.
Height alone is not enough
Two riders of the same height can need different frames depending on leg and torso proportions. Publishing a size guide that uses height and inside leg, alongside the geometry table for each model, gives riders something real to work with.
Example conversations
These scripts use information a shop might publish. Your answers should come from your own pages.
Rider: I'm five foot nine. What size do I need? Assistant: For that model, the size guide puts most riders around that height in the medium, though it depends on your inside leg and how upright you want to ride. Could you measure your inside leg to the floor without shoes? If you are between sizes, the shop can advise based on how you plan to ride.
Rider: I'm between sizes. Which should I choose? Assistant: The guide explains how the shop usually advises on that model, including how stem length and seatpost adjustment change the fit. For a proper answer, the team can look at your measurements and riding style.
Rider: Does it come built? Assistant: The delivery page explains how bikes arrive, what assembly is needed and whether a professional build is included or available.
Never prescribe a fit
A bike fit is a physical assessment. A website can guide someone to the right size bracket, but the final judgement, particularly for riders with injuries or long-distance ambitions, belongs to a person. Saying so builds trust rather than undermining the sale.
Returns and exchanges
Publishing a clear exchange policy for sizing removes the last hesitation. Riders who know they can swap are far more likely to commit.
In-store fitting as the upsell
Offering a paid fitting session after purchase converts online buyers into shop customers, and it produces happier riders who ride more and buy more.
Servicing follows the sale
Every bike sold is service work later, which arrives in waves as described in bike service and repair bookings in spring rush.
Fit questions across retail
The same hesitation stalls large purchases everywhere, as covered in will it fit questions that stall furniture sales.
Before someone buys anything technical
Buyers evaluating any considered purchase want the same honesty, which is the approach in questions to ask before buying an AI receptionist and telehealth questions patients ask before booking.
Getting started
Publish geometry tables and a height and inside leg guide for every model, then answer sizing questions at any hour. SpideyChat for retail businesses answers from your published pages. Try SpideyChat on your own site, or read about answers on the features page.