Leatt DBX 5.0 V09 Adult MTB Helmets (Brand New)
Lightweight Composite bicycle head and brain protection. Leatt is redefining head and brain protection with the revolutionary NEW Composite DBX bicycle helmet. Featuring ground breaking 360° Turbine Technology for concussion and brain rotation safety. Our helmet offers superior head and brain protection in a shell that is smaller, very lightweight and super ventilated even at low speeds.
- Quattro Force Control
- Composite matrix shell
- 3D in-molded multi density V-Foam
- 360° Turbine multiple low energy impact
- 360° Turbine rotational acceleration
- Reduced outer shell volume for reduction in:
- Neck forces
- Rotational brain acceleration
- 360 degree helmet and neck brace match
- Rear clearance cut for optimal head range of movement
- Rear hyperextension impact platform
- Optimized weight. Very light with premium safety
- Maximum ventilation: 16 large vent ports
- Hydration ready. Optional internal hands-free kit available (not supplied)
- Low friction cheek pads for emergency removal (patent pending)
- Moisture-wicking, breathable and anti-microbial snap-out liner
- Visor with break away function
- Certified and tested: EN1078; US CPSC; ASTM F1952 10
- Colors: Black / Yellow
- Sizes: Medium
- SKU: 1015500192-HC1

New or Brand New - Brand new item in original packaging (original manufacturer's warranty may apply).
Refurbished - Professionally restored and in perfect working condition. Original packaging may be missing or slightly damaged.
Used - Item has seen limited use but remains in good working condition. May show some limited signs of wear with small scratches or cosmetic blemishes. May arrive with damaged packaging or be repackaged.
Refurbished, Without Tags - Same as refurbished. Item may arrive with mising labels or tags.
Refurbished, Last Call - Same as refurbished. Last call or closeout item.
Size | Centimeter | Inches |
---|---|---|
XS | 53 - 54 | 20¾ - 21¼ |
SM | 55 - 56 | 21⅝ - 22 |
MD | 57 - 58 | 22½ - 22¾ |
LG | 59 - 60 | 22¼ - 22⅝ |
XL | 61 - 62 | 24 - 24¼ |
2XL | 63 - 64 | 24¾ - 25⅕ |
Youth | ||
MD | 51-52 | 20 - 20½ |
LG | 53-54 | 20¾ - 21¼ |
*
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

MODEL | Junior / Youth | Adult | S/M | L/XL | XX-Large |
---|---|---|---|---|---|
DBX 3.5 Neck Brace | 74 - 82cm | - | 82 - 94cm | 94 - 110cm | 110 - 122cm |
DBX 4.5 Neck Brace | - | - | 78 - 94cm | 94 - 122cm | - |
DBX 5.5 Neck Brace | 74 - 82cm | - | 82 - 94cm | 94 - 122cm | - |
DBX 6.5 Neck Brace | - | - | 82 - 94cm | 94 - 122cm | - |
DBX/GPX Neck Brace | - | - | 74 - 98cm | 98 - 130cm | - |
Fusion 2.0 Body Vest | - | - | 54 - 66cm (JNR) | 66 - 74cm (JNR) | 74 - 86cm (JNR) |
Fusion 3.0 Body Vest | - | - | 86 - 98cm | 98 - 118cm | 118 - 126cm |
STX Road Neck Brace | - | - | 66 - 94cm | 90 - 122cm | 114 - 126cm |
STX Road RR Neck | - | 82 - 106cm | - | - | - |
*
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Model | Measure Point | Kids | JR | Small(SML/MED) | Medium(SML/MED) | Large(L/XL) | X-Large(L/XL) | 2X-Large |
---|---|---|---|---|---|---|---|---|
3DF EXT (+ Shin) | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF EXT (+ Shin) | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF EXT Hybrid (+ Shin) | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF EXT Hybrid (+ Shin) | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF Hybrid | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF Hybrid | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF Hybrid EXT (+ Shin) | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF Hybrid EXT (+ Shin) | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Airflex | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Airflex | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Airflex Pro | Thigh | - | - | 33 - 37cm | 37 - 41cm | 41 - 47cm | 47 - 53cm | 53 - 59cm |
Airflex Pro | Calf | - | - | 25 - 29cm | 29 - 33cm | 33 - 38cm | 38 - 44cm | 44 - 51cm |
Dual Axis (+ Shin) | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Dual Axis (+ Shin) | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cmm |
Enduro | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Enduro | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 -44cm | 33 -44cm | 44 - 51cm |
Knee & Shin 3.0 EXT | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Knee & Shin 3.0 EXT | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cm |
Leatt 3DF 3.0 | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Leatt 3DF 3.0 | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cm |
Leatt 3DF 5.0 | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Leatt 3DF 5.0 | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cm |
Leatt 3DF 6.0 | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Leatt 3DF 6.0 | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cm |
*
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Model | Kids | Junior / Youth | Small(SML/MED) | Medium(SML/MED) | Large(L/XL) | X-Large(L/XL) | XX-Large |
---|---|---|---|---|---|---|---|
Airflex | - | 19 - 21cm | 20 - 24cm | 24 - 28cm | 28 - 33cm | 32 - 36cm | 36 - 40cm |
Contour | 18 - 20cm | 19 - 23cm | 22 - 28cm | 22 - 28cm | 28 - 35cm | 28 - 35cm | 35 - 41cm |
Leatt 3.0 | 18 - 20cm | 19 - 23cm | 22 - 28cm | 22 - 28cm | 28 - 35cm | 28 - 35cm | 35 - 41cm |
Leatt 3DF | 18 - 20cm | 19 - 23cm | 22 - 28cm | 22 - 28cm | 28 - 35cm | 28 - 35cm | 35 - 41cm |
Leatt 3DF 5.0 | - | 19 - 21cm | 20 - 24cm | 24 - 28cm | 28 - 33cm | 32 - 36cm | 36 - 40cm |
Leatt 3DF 6.0 | - | 19 - 21cm | 20 - 24cm | 24 - 28cm | 28 - 33cm | 32 - 36cm | 36 - 40cm |
Leatt 3DF Hybrid | 18 - 20cm | 19 - 23cm | 22 - 28cm | 22 - 28cm | 28 - 35cm | 28 - 35cm | 35 - 41cm |
*
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.