Prosthetic Liner for Below Knee (BK) Amputee

The Roadrunnerfoot gel liner is skin-friendly and made of thermoplastic gel, providing very good comfort for the residual limb. It is available with or without lock.

  • Skin-friendly thermoplastic gel, very good comfort for the residual limb
  • Available with or without lock; the 10 cm matrix is available on locking liners only
  • Anterior gel thickness 3 mm, 6 mm or 9 mm
  • Posterior gel thickness always 3 mm — useful for a thin proximal fit in the knee flexion zone
  • Sizes Small, Medium, Medium Plus, Large, Large Plus, Extra Large
  • Distal circumference from 18 to 63 cm depending on size and measurement point
  • Warranty 6 months

Gel Liner for Below Knee Amputee

The Roadrunnerfoot gel liner is skin-friendly and made of thermoplastic gel, providing very good comfort for the residual limb. It is available with or without lock.

  • Skin-friendly thermoplastic gel, very good comfort for the residual limb
  • Available with or without lock; the 10 cm matrix is available on locking liners only
  • Anterior gel thickness 3 mm, 6 mm or 9 mm
  • Posterior gel thickness always 3 mm — useful for a thin proximal fit in the knee flexion zone
  • Sizes Small, Medium, Medium Plus, Large, Large Plus, Extra Large
  • Distal circumference from 18 to 63 cm depending on size and measurement point
  • Warranty 6 months

Liners for Below Knee (BK) Amputee without lock

Size S and M

Code 3.001.01.BK.S
Size small
Distal Circumference at

4 cm from the apex of the stump

18-26 cm
Distal Circumference at 20 cm from the apex of the stump 22-33 cm
Distal Circumference at 40 cm from the apex of the stump 27-40 cm
Code 3.001.01.BK.M
Size Medium
Distal Circumference at

4 cm from the apex of the stump

21-31 cm
Distal Circumference at 20 cm from the apex of the stump 26-40 cm
Distal Circumference at 40 cm from the apex of the stump 30-47 cm

Liners for Below Knee (BK) Amputee without lock

Size M+ and L

Code 3.001.01.BK.MP
Size Medium-plus
Distal Circumference at

4 cm from the apex of the stump

23-33 cm
Distal Circumference at 20 cm from the apex of the stump 31-45 cm
Distal Circumference at 40 cm from the apex of the stump 37-60 cm
Code 3.001.01.BK.L
Size Large
Distal Circumference at

4 cm from the apex of the stump

27-38 cm
Distal Circumference at 20 cm from the apex of the stump 35-48 cm
Distal Circumference at 40 cm from the apex of the stump 43-63 cm

Liners for Below Knee (BK) Amputee without lock

Size L+ and XL

Code 3.001.01.BK.LP
Size Large plus
Distal Circumference at

4 cm from the apex of the stump

29-42 cm
Distal Circumference at 20 cm from the apex of the stump 40-55 cm
Distal Circumference at 40 cm from the apex of the stump 46-68 cm
Code 3.001.01.BK.XL
Size Extra large
Distal Circumference at

4 cm from the apex of the stump

33-49 cm
Distal Circumference at 20 cm from the apex of the stump 43-65 cm
Distal Circumference at 40 cm from the apex of the stump 49-75 cm

Liners for Below Knee (BK) Amputee with Matrix and Lock

Size S and M

Code 3.001.01.BK.MLK.S
Size Small
Distal Circumference at

4 cm from the apex of the stump

18-26 cm
Distal Circumference at 20 cm from the apex of the stump 22-33 cm
Distal Circumference at 40 cm from the apex of the stump 27-40 cm
Code 3.001.01.BK. MLK.M
Size Medium
Distal Circumference at

4 cm from the apex of the stump

21-31 cm
Distal Circumference at 20 cm from the apex of the stump 26-40 cm
Distal Circumference at 40 cm from the apex of the stump 30-47 cm

Liners for Below Knee (BK) Amputee with Matrix and Lock

Size M+ and L

Code 3.001.01.BK. MLK.MP
Size Medium-plus
Distal Circumference at

4 cm from the apex of the stump

23-33 cm
Distal Circumference at 20 cm from the apex of the stump 31-45 cm
Distal Circumference at 40 cm from the apex of the stump 37-60 cm
Code 3.001.01.BK. MLK.L
Size Large
Distal Circumference at

4 cm from the apex of the stump

27-38 cm
Distal Circumference at 20 cm from the apex of the stump 35-48 cm
Distal Circumference at 40 cm from the apex of the stump 43-63 cm

Liners for Below Knee (BK) Amputee with Matrix and Lock

Size L+ and XL

Code 3.001.01.BK. MLK.LP
Size Large plus
Distal Circumference at

4 cm from the apex of the stump

29-42 cm
Distal Circumference at 20 cm from the apex of the stump 40-55 cm
Distal Circumference at 40 cm from the apex of the stump 46-68 cm
Code 3.001.01.BK. MLK.XL
Size Extra large
Distal Circumference at

4 cm from the apex of the stump

33-49 cm
Distal Circumference at 20 cm from the apex of the stump 43-65 cm
Distal Circumference at 40 cm from the apex of the stump 49-75 cm

Key specifications

Device Category Prosthetic gel liner, below knee
Material Thermoplastic gel, skin friendly
Amputation Level Below knee (transtibial)
Available Sizes S, M, M Plus, L, L Plus, XL
Warranty 6 months
Product Code Series 3.001.01.BK / 3.001.01.BK.MLK
Suspension With lock (10 cm matrix) or without lock
Anterior Gel Thickness 3 mm, 6 mm, 9 mm
Posterior Gel Thickness 3 mm

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

below knee, Prosthetic gel liner

Material

skin friendly, Thermoplastic gel

Amputation Level

Below knee (transtibial)

Suspension

With lock (10 cm matrix) or without lock

Anterior Gel Thickness

3 mm, 6 mm, 9 mm

Posterior Gel Thickness

3 mm

Available Sizes

S, M, M Plus, L, L Plus, XL

Distal Circumference Range

18-63 cm depending on size and measurement point

Warranty

6 months

Product Code Series

3.001.01.BK / 3.001.01.BK.MLK

Brand

Roadrunnerfoot

Manufacturer

Roadrunnerfoot Engineering S.r.l.

Made In

Italy