Mammut 8.7 Alpine Sender Dry
The 8.7 Alpine Sender Dry is a 8.7 mm single rope from Mammut, also certified as a half and twin rope, at 51 g/m, for alpine, multi-pitch sport and redpoint. Rated for 5 UIAA falls with 7.8 kN impact force, 31% dynamic elongation and a 36% sheath share. Dry core-and-sheath dry treatment, UIAA Water Repellent certified. In stock at 6 shops from 178.90 EUR for 60 m.
Mammut's triple-certified rope for ice climbing, mountaineering and performance mountain climbing: a smooth sheath, Sender construction for low weight and a PFC-free dry finish (Mammut). 8.7 mm, 51 g/m, 36 % sheath; as a single: 7.8 kN impact force, 5 UIAA falls, 6.5 % static elongation; as a half: 5.8 kN and 16 falls; as a twin: 9.3 kN. Under 1.5 % water absorption in the UIAA test. Mammut publishes the same figures for the 8.7 Crag Sender Dry.
8.7 Alpine Sender Dry belay device compatibility
Compatible with 37 of the 41 belay devices we track that are rated for single ropes, 33 of them ideal.
Ideal on, among others:
Every belay device rated for a 8.7 mm single rope
What the 8.7 Alpine Sender Dry is for
Best for alpine, multi-pitch sport and redpoint. Aimed at advanced to expert climbers. Handling feel: supple. Durability: moderate.
Strengths & Trade-offs
8.7 Alpine Sender Dry strengths
- Certified as single, half and twin rope (EN 892)
- 7.8 kN impact force as a single, 5.8 kN as a half, 9.3 kN as a twin
- 16 UIAA falls as a half rope
- PFC-free dry finish on core and sheath: Mammut states under 1.5 % water absorption in the UIAA test (UIAA Water Repellent)
- Bluesign product (Mammut)
8.7 Alpine Sender Dry trade-offs
- 5 UIAA falls as a single rope, the minimum EN 892 requires
- 8.7 mm is below the minimum rope diameter of 4 of the 20 assisted-braking belay devices we track
- Mammut publishes identical figures for this rope and its 8.7 Crag Sender Dry
8.7 Alpine Sender Dry spec profile
The maker's figures for the 8.7 Alpine Sender Dry, each against the 133 single ropes we track.
- Weight 51 g/m: very light for a single rope
- Diameter 8.7 mm: very thin for a single rope
- UIAA falls 5: the minimum a single rope must hold; most single ropes hold more
- Impact force 7.8 kN: a softer catch than most single ropes
- Dynamic elongation 31%: stretches less in a fall than most single ropes
- Sheath share 36%: a lower sheath share than most single ropes
8.7 Alpine Sender Dry specifications
| Diameter | 8.7 mm |
| Weight | 51 g/m |
| Sheath share | 36% |
| Lengths sold | 50 / 60 / 70 m |
| Certified as | Single / Half / Twin |
| Standards | EN 892, UIAA 101 |
| UIAA falls | 5 |
| Impact force | 7.8 kN |
| Dynamic elongation | 31% |
| Static elongation | 6.5% |
| Sheath slippage | 0 mm |
| Dry treatment | Dry (core and sheath) |
| UIAA Water Repellent | Certified |
| Core construction | standard |
| Middle mark | Ink mark |
| Lap coiled | Yes |
| Released | 2023 |
| Bluesign | Yes |
| PFC-free | Yes |
What the 8.7 Alpine Sender Dry costs
Prices checked 15 Oct 2026 across 9 shops that currently stock it. Cheapest current offer for 60 m: 178.90 EUR at oliunid.de, 34% below the 270.00 EUR list price.
| Length | Cheapest | Shop | Shops with this length |
|---|---|---|---|
| 30 m | 129.56 EUR | bergfreunde.de | 1 |
| 40 m | 145.76 EUR | bergfreunde.de | 2 |
| 60 m | 178.90 EUR | oliunid.de | 6 |
| 70 m | 184.94 EUR | naturzeit.com | 5 |
Shops stocking the 60 m length, cheapest first:
| Retailer | Price |
|---|---|
| oliunid.de | 178.90 EUR |
| chalkr.de | 179.90 EUR |
| bergfreunde.de | 197.96 EUR |
| bever.nl | 209.95 EUR |
| sport-schuster.de | 220.00 EUR |
| kletterkogel.de | 220.00 EUR |
Alternatives to the 8.7 Alpine Sender Dry
- Mammut 8.7 Crag Sender Dry
- Mammut Adam Ondra 8.7 We Care Dry
- Beal Opera 8.5 Unicore Golden Dry
- Edelrid Canary Pro Dry 8.6
- Edelrid Siskin Eco Dry 8.6
- Tendon Master 8.6
Prices, stock and owner fit data on this page update daily. You are welcome to cite these figures if you name climbing-gear.com and link to this page - see our data terms.