ROADWALKINGIIHP – High-Performance Carbon Fiber Prosthetic Foot

RoadwalkingIIHP is a carbon fiber prosthetic foot for very active users at mobility level K4. It is the only prosthetic foot in the world with three points on the ground and 70% efficiency — a patented design, and the highest energy return in the Roadrunnerfoot range.

  • 70% efficiency (patented) — the highest energy return in the range
  • The only prosthetic foot in the world with 3 points on the ground, for continuous roll-over between forefoot and heel
  • Four-laminate structure for high energy release during walking
  • Mobility level K4 — very active users
  • Tested to ISO 10328:2016 by Berlin Cert
  • Titanium grade 5 screws (as used in MotoGP) and titanium adapter
  • Carbon fiber laminates cured on autoclave cycle, as in the aeronautical field
  • CE marked
  • Sizes I to V-LONG, shoe 35-46, user weight 30-130 kg, Soft / Hard / Super Hard
  • Optional soft or hard wedge
  • Warranty 36 months

RoadwalkingIIHP Prosthetic Foot

RoadwalkingIIHP is a carbon fiber prosthetic foot for very active users at mobility level K4. It is the only prosthetic foot in the world with three points on the ground and 70% efficiency — a patented design, and the highest energy return in the Roadrunnerfoot range.

  • 70% efficiency (patented) — the highest energy return in the range
  • The only prosthetic foot in the world with 3 points on the ground, for continuous roll-over between forefoot and heel
  • Four-laminate structure for high energy release during walking
  • Mobility level K4 — very active users
  • Tested to ISO 10328:2016 by Berlin Cert
  • Titanium grade 5 screws (as used in MotoGP) and titanium adapter
  • Carbon fiber laminates cured on autoclave cycle, as in the aeronautical field
  • CE marked
  • Sizes I to V-LONG, shoe 35-46, user weight 30-130 kg, Soft / Hard / Super Hard
  • Optional soft or hard wedge
  • Warranty 36 months
madeinitaly_CE_iso_patent

Prosthetic foot RoadwalkingIIHP  Sizes I and II

Code 1.002.01.I.S 1.002.01.I.H 1.002.01.I.SH
Size I
Cat. Soft Hard Super Hard
Shoe number 35-36
Foot length 23
Weight range

30-50

51-75 76 – 100
Option wedge soft or hard
Code 1.002.01.II.S 1.002.01.II.H 1.002.01.II.SH
Size II
Cat. Soft Hard Super Hard
Shoe number 37-38
Foot length 24
Weight range

30-50

51-75 76 – 100
Option wedge soft or hard

Prosthetic foot RoadwalkingIIHP Sizes III and IV

Code 1.002.01.III.S 1.002.01.III.H 1.002.01.III.SH
Size III
Category Soft Hard Super Hard
Shoe number 39-40
Foot length 25
Weight range

30-50

51-75 76 – 100
Option wedge soft or hard
Code 1.002.01.IV.S 1.002.01.IV.H 1.002.01.IV.SH
Size IV
Category Soft Hard Super Hard
Shoe number 41-42
Foot length 26
Weight range

40-60

61-85 86 – 130
Option wedge soft or hard

Prosthetic foot RoadwalkingIIHP Size V and V-LONG

Code 1.002.01.V.S 1.002.01.V.H 1.002.01.V.SH
Size V
Category Soft Hard Super Hard
Shoe number 43-44
Foot length 27
Weight range

40-60

61-85 86-130
Option wedge soft or hard
Code 1.002.01.V-LONG.S 1.002.01.V-LONG.H 1.002.01.V-LONG.SH
Size V-LONG
Category Soft Hard Super Hard
Shoe number 45-46
Foot length 28
Weight range

40-60

61-85 86-130
Option wedge soft or hard

Prosthetic foot RoadwalkingIIHP Size VI

Code 1.002.01.VI.S 1.002.01.VI.H 1.002.01.VI.SH
Size VI
Category Soft Hard Super Hard
Shoe number 47-48
Foot length 29
Weight range

40-60

61-85 86-130
Option wedge soft or hard

Note:

for patients with a weight between different categories, it’s better to choose the upper type of lamination and category.

Certification and Testing Report

Roadwalking_Berlin_cert_certification
Roadwalking_Berlin_cert_report
Roadwalking_Berlin_cert_report_pag2

Patient’s video

FEM Analysis and alignment

prosthetic-foot-RoadwalkingIIHP-20

Key specifications

Device Category Dynamic carbon fiber prosthetic foot
Mobility Level (K-Level) K4
Energy Return (Efficiency) 70%
Points of Ground Contact 3 (patented)
Material Carbon fiber laminates, autoclave cured
Tested to Standard ISO 10328:2016
Testing Body Berlin Cert
Regulatory Marking CE marked
Available Sizes I, II, III, IV, V, V-LONG

Ordering and technical support

Designed and manufactured in Italy by Roadrunnerfoot Engineering S.r.l. The full range is listed in the Roadrunnerfoot 2025 catalogue. Orthopedic technicians, clinics and international distributors can request technical data sheets, product codes, pricing and fitting support from our team.

Additional information

Device Category

Dynamic carbon fiber prosthetic foot

Mobility Level (K-Level)

K4

Energy Return (Efficiency)

70%

Points of Ground Contact

3 (patented)

Material

autoclave cured, Carbon fiber laminates

Fasteners and Adapter

Titanium grade 5

Laminate Structure

4 laminates

Tested to Standard

ISO 10328:2016

Testing Body

Berlin Cert

Regulatory Marking

CE marked

Available Sizes

I, II, III, IV, V, V-LONG

Shoe Size Range

35-36 / 37-38 / 39-40 / 41-42 / 43-44 / 45-46

Foot Length

23, 24, 25, 26, 27, 28 cm

Stiffness Category

Soft, Hard, Super Hard

User Weight Range

30-130 kg depending on size and category

Options

Soft or hard wedge

Warranty

36 months

Product Code Series

1.002.01

Brand

Roadrunnerfoot

Manufacturer

Roadrunnerfoot Engineering S.r.l.

Made In

Italy