Singing Rock Gemini 7.9
The Gemini 7.9 is a 7.9 mm half rope from Singing Rock, at 39 g/m, for alpine and ice/mixed. Rated for 5 UIAA falls with 5.1 kN impact force, 38% dynamic elongation and a 45% sheath share. Dry core-and-sheath dry treatment, UIAA Water Repellent certified. In stock at 1 shop from 171.63 EUR for 60 m.
Singing Rock's light rope for ice, mixed, glacier and mountain routes, certified as a half and twin rope, with a UIAA Water Repellent treatment that Singing Rock attributes to nanotechnology. 7.9 mm, 39 g/m, 45 % sheath; as a half: 5.1 kN impact force, 5 UIAA falls, 10.5 % static elongation, 38 % dynamic; as a twin: 7.9 kN, 16 falls, 8 % static. Thermotransfer end marking, ultrasonic-cut ends. Sold from 30 m to 100 m and as a 200 m spool.
Gemini 7.9 belay device compatibility
Compatible with 22 of the 27 belay devices we track that are rated for half ropes, 21 of them ideal.
Ideal on, among others:
Every belay device rated for a 7.9 mm half rope
What the Gemini 7.9 is for
Best for alpine and ice/mixed. Aimed at expert climbers. Handling feel: very supple. Durability: moderate.
Strengths & Trade-offs
Gemini 7.9 strengths
- Certified as a half and twin rope (EN 892)
- 39 g/m, in the lightest quarter of the 14 half ropes between 7.7 and 8.1 mm we track
- 5.1 kN impact force as a half rope, in the lowest quarter of the 28 half ropes we track
- 16 UIAA falls as a twin
- UIAA Water Repellent treatment (Singing Rock)
- 45 % sheath, joint highest of the 28 half ropes we track
- Thermotransfer end marking and ultrasonic-cut ends (Singing Rock)
- Sold from 30 m to 100 m and as a 200 m spool (Singing Rock)
Gemini 7.9 trade-offs
- 5 UIAA falls as a half rope, the minimum EN 892 requires
- 10.5 % static elongation as a half rope, in the highest quarter of the 27 half ropes we track
- 38 % dynamic elongation, joint highest of the 25 half ropes we track with a published figure
- No middle mark listed by Singing Rock
Gemini 7.9 spec profile
The maker's figures for the Gemini 7.9, each against the 28 half ropes we track.
- Weight 39 g/m: light for a half rope
- Diameter 7.9 mm: thin for a half rope
- UIAA falls 5: the minimum a half rope must hold; most half ropes hold more
- Impact force 5.1 kN: among the softest catches for a half rope
- Dynamic elongation 38%: among the most stretch in a fall for a half rope
- Sheath share 45%: among the highest sheath shares for a half rope
Gemini 7.9 specifications
| Diameter | 7.9 mm |
| Weight | 39 g/m |
| Sheath share | 45% |
| Lengths sold | 30 / 40 / 50 / 60 / 70 / 80 / 100 / 200 m |
| Certified as | Half |
| Standards | EN 892 |
| UIAA falls | 5 |
| Impact force | 5.1 kN |
| Dynamic elongation | 38% |
| Static elongation | 10.5% |
| Sheath slippage | 0 mm |
| Dry treatment | Dry (core and sheath) |
| UIAA Water Repellent | Certified |
| Core construction | standard |
| Middle mark | Ink mark |
| End marks | Yes |
| Lap coiled | Yes |
| Released | 2024 |
What the Gemini 7.9 costs
Prices checked 15 Oct 2026 across 3 shops that currently stock it. Cheapest current offer for 60 m: 171.63 EUR at decathlon.es, 28% below the 240.00 EUR list price.
| Length | Cheapest | Shop | Shops with this length |
|---|---|---|---|
| 30 m | 51.71 EUR | climbingshop.ie | 3 |
| 50 m | 144.34 EUR | decathlon.de | 1 |
| 60 m | 171.63 EUR | decathlon.es | 1 |
Shops stocking the 60 m length, cheapest first:
| Retailer | Price |
|---|---|
| decathlon.es | 171.63 EUR |
Alternatives to the Gemini 7.9
- Beal Ice Line 8.1 Unicore Golden Dry
- Edelweiss Elite 7.8
- Fixe Vignemale 8
- Fixe Zen 8.1
- Tendon Alpine 7.9
- Fixe Gavarnie 7.4
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.