Brand chart
Firmstrong Bike Size Chart
Firmstrong offers bicycles across Hybrid, Kids. Browse the official size charts below to find your recommended frame size based on height and inseam.
Official website →Sizing notes
Read the chart, then check the bike.
Start with category coverage
Firmstrong is listed for Hybrid, Kids. Choose the bike category first because road, gravel, mountain, and kids sizing use different assumptions.
Check data status
Data sourced from official brand references. Use the result as a shortlist, not a final fit decision.
Confirm the exact model
Model year, geometry, wheel size, and cockpit setup can change the final answer even when the height range looks right.
Firmstrong Hybrid Bike Size Chart
Size
26" wheel
Height
157-188 cm
Inseam: 73-88 cm
Size
26" wheel (Chief / Urban Deluxe - taller riders)
Height
165-193 cm
Inseam: 76-90 cm
Popular Models & Reference Geometry
Bruiser Man 7-Speed
2025 · Hybrid
Stack: 620mm · Reach: 380mm
Bruiser Man 3.0 Single-Speed
2025 · Hybrid
Stack: 620mm · Reach: 380mm
Chief Man Single-Speed
2025 · Hybrid
Stack: 625mm · Reach: 385mm
Urban Man Alloy Single-Speed
2025 · Hybrid
Stack: 615mm · Reach: 375mm
Urban Man Deluxe Stretch
2025 · Hybrid
Stack: 605mm · Reach: 410mm
Urban Lady Single-Speed
2025 · Hybrid
Stack: 600mm · Reach: 365mm
Urban Boy 20"
2025 · Kids
Stack: 510mm · Reach: 320mm
Bruiser Boy 16"
2025 · Kids
Stack: 460mm · Reach: 290mm
FAQ
Short answers for choosing a size before purchase.
What Firmstrong bike size do I need?
Start with your height and the hybrid chart on this page, then confirm inseam and exact Firmstrong model geometry before buying.
Is this Firmstrong chart official?
This page uses official brand chart data. Confirm with official brand charts before purchasing.