Velopedia Bicycle Archive
Compare Bicycles
Compare published geometry, gearing and specifications for up to three bicycles.
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At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Handling
2002 Jamis Dragon has a 0.5° slacker head-tube angle than 2003 Jamis Dragon in the archived geometry. Frame size is not identified for 2003 Jamis Dragon and 2002 Jamis Dragon.
Fork offset, tire size and wheelbase also affect steering; head angle alone is not a handling verdict.
- Gearing
2003 Jamis Dragon has a 8% lower climbing ratio than 2002 Jamis Dragon.
A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.
- Identity & price
2002 Jamis Dragon had an original MSRP $300 lower than 2003 Jamis Dragon.
Original MSRP is the published list price when new, not today’s used-bike value.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM = pedal turns per minute.
Uses front tire 26×2; rear size isn’t listed.
Uses front tire 26×2; rear size isn’t listed.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run. Legacy reference geometry is model-level historical data whose corresponding frame size is not identified; compare those dimensions as reference values rather than size-normalized fit data.