Brand chart
Mongoose Bike Size Chart
Mongoose offers bicycles across Mountain, 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
Mongoose is listed for Mountain, 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.
Mongoose Mountain Bike Size Chart
Size
S (24")
Height
132-152 cm
Inseam: 60-72 cm
Size
M (26")
Height
152-168 cm
Inseam: 70-80 cm
Size
L (27.5")
Height
160-183 cm
Inseam: 76-88 cm
Size
XL (29")
Height
175-195 cm
Inseam: 82-92 cm
Popular Models & Reference Geometry
Flatrock
2026 · Mountain
Stack: 600mm · Reach: 425mm
Argus Trail
2025 · Mountain
Stack: 555mm · Reach: 380mm
Malus
2025 · Mountain
Stack: 615mm · Reach: 440mm
Status
2025 · Mountain
Stack: 610mm · Reach: 438mm
Hooligan AL
2025 · Mountain
Stack: 600mm · Reach: 410mm
Legion L80
2025 · Kids
Stack: 340mm · Reach: 320mm
Legion L60
2025 · Kids
Stack: 335mm · Reach: 315mm
Legion BMX (Kids)
2025 · Kids
Stack: 320mm · Reach: 295mm
Switch and Stun
2025 · Kids
Stack: 310mm · Reach: 280mm
FAQ
Short answers for choosing a size before purchase.
What Mongoose bike size do I need?
Start with your height and the mountain chart on this page, then confirm inseam and exact Mongoose model geometry before buying.
Is this Mongoose chart official?
This page uses official brand chart data. Confirm with official brand charts before purchasing.