BEFORE YOU BUY · UNDERSTAND YOUR CURRENT BIKE
Find the bike.
Then find your starting sizes.
32 model-family guides. Published body ranges and size-label-only entries are clearly separated. Year unknown? You can still start.
Search the full catalogue & compare bikes34 CATALOGUE ENTRIES
Giant Cross City
Compare everyday flat-bar bikes across the recorded Cross City variants and years.
Read the model guide →40 CATALOGUE ENTRIES
Giant Roam
A source-linked guide for riders comparing Roam models for everyday and mixed-surface riding.
Read the model guide →2 CATALOGUE ENTRIES
Giant Cypress
Identify a leisure-bike listing and understand what its published size labels can tell you.
Read the model guide →17 CATALOGUE ENTRIES
Specialized Sirrus
Separate Sirrus, Sirrus X and frame variants when comparing an everyday bike or a used listing.
Read the model guide →26 CATALOGUE ENTRIES
Merida Speeder
Use exact Speeder listings to prepare a flat-bar road-bike shortlist without guessing height ranges.
Read the model guide →37 CATALOGUE ENTRIES
Merida Crossway
Compare Crossway model and frame variants for transport, leisure and everyday use.
Read the model guide →7 CATALOGUE ENTRIES
Norco Indie
A practical guide to identifying an Indie model and checking the sizing evidence before buying.
Read the model guide →6 CATALOGUE ENTRIES
Polygon Heist
Compare Heist variants using their own published sizing information and original listings.
Read the model guide →1 CATALOGUE ENTRY
Reid Original Gravel
A practical starting point when comparing an accessible gravel bike or a used listing.
Read the model guide →2 CATALOGUE ENTRIES
Reid Firetrail
Compare the flat-bar and drop-bar options without assuming their sizing information transfers.
Read the model guide →8 CATALOGUE ENTRIES
Polygon Strattos
A guide for narrowing an affordable road-bike shortlist across different Strattos variants.
Read the model guide →1 CATALOGUE ENTRY
Marin Gestalt
Use the published model information as a starting point for road and mixed-surface riding.
Read the model guide →20 CATALOGUE ENTRIES
Boardman SLR
Separate older road-bike listings by model number and frame variant.
Read the model guide →7 CATALOGUE ENTRIES
Boardman ADV
Compare published adventure-bike options, including documented older listings.
Read the model guide →33 CATALOGUE ENTRIES
Giant Contend
A road-bike family with archive entries useful for riders shopping second hand.
Read the model guide →72 CATALOGUE ENTRIES
Liv Avail
Find the exact road-bike listing before using its published body ranges.
Read the model guide →34 CATALOGUE ENTRIES
Giant Talon
A useful mountain-bike starting point where wheel options and older years need careful matching.
Read the model guide →6 CATALOGUE ENTRIES
Polygon Xtrada
Compare accessible mountain-bike variants with the sizing evidence kept visible.
Read the model guide →33 CATALOGUE ENTRIES
Liv Tempt
Start an everyday mountain-bike shortlist with the model and wheel option you actually have.
Read the model guide →4 CATALOGUE ENTRIES
Boardman MHT
A source-led starting point for comparing Boardman hardtail mountain bikes.
Read the model guide →5 CATALOGUE ENTRIES
Carrera Vengeance
Identify an accessible mountain-bike listing before turning its labels into a shortlist.
Read the model guide →46 CATALOGUE ENTRIES
Merida Big.Nine
Keep mountain-bike frame identity separate from the familiar wheel-size terminology.
Read the model guide →36 CATALOGUE ENTRIES
Norco Storm
A guide for checking an accessible mountain-bike listing before purchase.
Read the model guide →35 CATALOGUE ENTRIES
Giant Trinity
Begin with the exact TT frame, then move to the forearm-pad position it can achieve.
Read the model guide →17 CATALOGUE ENTRIES
Liv Avow
A TT sizing starting point that keeps the front-end adjustment question visible.
Read the model guide →1 CATALOGUE ENTRY
Trek Speed Concept
Keep generation-specific sizing and the exact pad hardware together.
Read the model guide →1 CATALOGUE ENTRY
Felt IA
Identify the exact IA variant before comparing its published sizing information.
Read the model guide →4 CATALOGUE ENTRIES
BMC Speedmachine
A TT guide focused on the relationship between the frame and its adjustable contact points.
Read the model guide →3 CATALOGUE ENTRIES
Polygon Path
An everyday commuter-bike guide for riders who value straightforward controls and access.
Read the model guide →4 CATALOGUE ENTRIES
Marin DSX
Start with the exact flat-bar model for commuting and mixed-surface riding.
Read the model guide →28 CATALOGUE ENTRIES
Liv Alight
Use archived city and hybrid-bike listings to make a more informed everyday-bike shortlist.
Read the model guide →2 CATALOGUE ENTRIES
Pedal Flyer
A practical guide for a lower-cost everyday bike where clear data gaps matter as much as size labels.
Read the model guide →