Petzl Tango 8.5

The Tango 8.5 is a 8.5 mm half rope from Petzl, at 47 g/m, for trad, multi-pitch sport and alpine. Rated for 10 UIAA falls with 6.6 kN impact force, 31% dynamic elongation and a 39% sheath share. No dry treatment. In stock at 11 shops from 109.90 EUR for 60 m.
Petzl's 8.5 mm rope for multi-pitch rock climbing, certified as a half and twin rope: Petzl cites the diameter for grip and longevity. 47 g/m, 39 % sheath, 48-carrier construction; as a half: 6.6 kN impact force, 10 UIAA falls, 8.5 % static elongation; as a twin: 9.9 kN and 28 falls. No dry treatment. EverFlex thermal treatment, UltraSonic Finish, ClimbReady Coil. Sold in 50 m and 60 m.
Tango 8.5 belay device compatibility
Compatible with 26 of the 27 belay devices we track that are rated for half ropes, all of them ideal.
Ideal on, among others:
- Beal Air Force 2
- Beal Air Force 3
- Black Diamond ATC
- Black Diamond ATC Guide
- Black Diamond ATC-Alpine Guide
Every belay device rated for a 8.5 mm half rope
What the Tango 8.5 is for
Best for trad, multi-pitch sport and alpine. Aimed at advanced to expert climbers. Handling feel: moderate. Durability: high.
Strengths & Trade-offs
Tango 8.5 strengths
- Certified as a half and twin rope (EN 892)
- 10 UIAA falls as a half rope, in the top quarter of the 28 half ropes we track
- 28 UIAA falls as a twin
- 48-carrier construction
- EverFlex thermal treatment of the core strands for consistent handling over time (Petzl)
- Sold in 50 m and 60 m
- 8.5 % static elongation as a half rope, in the lowest quarter of the 27 half ropes we track
Tango 8.5 trade-offs
- 6.6 kN impact force as a half rope, in the highest quarter of the 28 half ropes we track
- No dry treatment
Tango 8.5 spec profile
The maker's figures for the Tango 8.5, each against the 28 half ropes we track.
- Weight 47 g/m: on the heavy side for a half rope
- Diameter 8.5 mm: thick for a half rope
- UIAA falls 10: more falls than most half ropes
- Impact force 6.6 kN: a harder catch than most half ropes
- Dynamic elongation 31%: stretches less in a fall than most half ropes
- Sheath share 39%: a typical sheath share for a half rope
Tango 8.5 specifications
| Diameter | 8.5 mm |
| Weight | 47 g/m |
| Sheath share | 39% |
| Lengths sold | 50 / 60 m |
| Certified as | Half |
| Standards | EN 892, UIAA 101 |
| UIAA falls | 10 |
| Impact force | 6.6 kN |
| Dynamic elongation | 31% |
| Static elongation | 8.5% |
| Sheath slippage | 0 mm |
| Dry treatment | None |
| UIAA Water Repellent | No |
| Core construction | 48 carrier |
| Middle mark | Ink mark |
| Lap coiled | Yes |
| Released | 2023 |
What the Tango 8.5 costs
Prices checked 15 Oct 2026 across 14 shops that currently stock it. Cheapest current offer for 60 m: 109.90 EUR at alpinstore.com, 50% below the 220.20 EUR list price.
| Length | Cheapest | Shop | Shops with this length |
|---|---|---|---|
| 50 m | 99.90 EUR | alpinstore.com | 10 |
| 60 m | 109.90 EUR | alpinstore.com | 11 |
Shops stocking the 60 m length, cheapest first:
| Retailer | Price |
|---|---|
| alpinstore.com | 109.90 EUR |
| barrabes.com | 121.50 EUR |
| oliunid.de | 124.90 EUR |
| verticalextreme.de | 127.50 EUR |
| sestogrado.it | 129.00 EUR |
| sportokay.com | 134.99 EUR |
| deporvillage.com | 142.95 EUR |
| decathlon.fr | 144.90 EUR |
| bananafingers.co.uk | 146.02 EUR |
| 9cclimbing.com | 149.54 EUR |
| + 1 more shops | |
Alternatives to the Tango 8.5
- Black Diamond 8.5 Dry
- Fixe Riglos 8.4
- Petzl Salsa 8.2
- Beal Cobra II 8.6 Unicore
- Edelrid Starling Eco Dry 8.2
- Fixe Amitges 8.4
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.