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.






