Tow Rope Buying Guide: Tube, Ski and Wakeboard Ropes, Ratings and Length
Quick answer: Match the rope to the sport. Tube ropes are rated by rider count, typically 50 to 65 feet long, with industry minimum strengths of about 1,500 pounds for 1 rider, 2,375 for 2, 3,250 for 3 and 4,125 for 4. Water ski ropes are usually 75 feet with a handle and some stretch, and wakeboard ropes are low stretch and adjustable, commonly 55 to 75 feet. Never use a ski or wakeboard rope to pull a tube.
A tow rope looks like the simplest piece of watersports gear, but the wrong rope causes real problems. A ski rope on a heavy tube can snap and recoil toward the boat or the riders. A stretchy rope under a wakeboarder makes every edge feel mushy and unpredictable. A frayed rope fails without warning. This guide covers rope types by sport, rider ratings, length, materials and when to retire a rope.
Step 1: Know the three main rope types
- Tube ropes: heavy duty, thick rope with a loop or quick connect on each end, no handle. Built for the high loads of one or more riders on a draggy tube.
- Water ski ropes: single rope with a handle, usually floating polypropylene with a little stretch for a smooth pull. Slalom ropes have sections that shorten the line as skiers progress.
- Wakeboard ropes: low stretch or zero stretch mainline for a consistent pull and pop off the wake, with a wider handle and adjustable sections.
Wakesurf ropes are a fourth, specialty type: short, often 20 to 25 feet, with knots or a small handle for grabbing as you drop in. They are used only behind boats designed for wakesurfing.
Step 2: Rate tube ropes by riders
The Water Sports Industry Association (WSIA) publishes a tube rope standard based on rider count. Reputable tube ropes are labeled with the number of riders and a minimum tensile strength.
| Riders | Minimum tensile strength | Typical max total rider weight | Typical length |
|---|---|---|---|
| 1 | 1,500 lb | About 170 lb | 50 to 65 ft |
| 2 | 2,375 lb | About 340 lb | 50 to 65 ft |
| 3 | 3,250 lb | About 510 lb | 50 to 65 ft |
| 4 | 4,125 lb | About 680 lb | 50 to 65 ft |
Buy a rope rated for at least as many riders as your tube holds. A rope rated for more riders than your tube is fine; fewer is not. Choosing the tube itself? See our towable tube buying guide.
Step 3: Choose length for skis and boards
| Activity | Common rope length | Stretch |
|---|---|---|
| Combo skiing and learning | About 75 ft | Some stretch is fine |
| Slalom | 75 ft, shortened in sections | Low stretch |
| Wakeboarding, beginner | About 55 to 65 ft | Low or zero stretch |
| Wakeboarding, advanced | 65 to 75 ft or more, tuned to the wake | Zero stretch |
| Kneeboarding | About 50 to 60 ft | Low stretch |
Wakeboarders set length so they ride in the clean part of the wake, where the lip is sharp. Shorter is easier for learning, since the wake is narrower.
Step 4: Check materials, handles and hardware
- Polypropylene floats, resists rot and is the standard for tube and ski ropes.
- Polyethylene and high modulus blends (often sold under trade names like Spectra or Dyneema) are used in low stretch wakeboard mainlines.
- Floats near the handle keep it on the surface and easy to find.
- Handles: about 12 to 13 inches is common for skis, wider for wakeboards. Look for comfortable, non slip grips and a protected center.
- Quick connects on tube ropes make hooking up faster, but inspect them for corrosion and cracks.
Step 5: Inspect, store and retire
UV, abrasion and repeated high loads weaken rope. Inspect before every outing, especially at loops, splices and the handle. Retire any rope that is frayed, has broken strands, feels stiff or chalky, or has been shock loaded hard. Rinse after saltwater use, dry it out of the sun, and coil it loosely without kinks. Never wrap a tow rope around hands, arms or any body part, and keep it out of the propeller when riders are down.
Common tow rope mistakes
- Using a ski rope for tubing. It is not rated for the load.
- Exceeding the rider rating because the tube has extra handles.
- Keeping a sun bleached rope for one more season.
- Tying knots to shorten or join ropes, which can cut strength significantly.
- Letting slack rope trail near the prop while picking up a rider.
Our picks for tow ropes and towing
All in stock at Boat Supplies Direct.
Tube rope
Full Throttle 2 Rider Tow Rope, 60 feet with a 2,375 pound minimum tensile strength and a 340 pound max rider weight.
Tubes to pair it with
Full Throttle Wake Shocker 2 Rider Tube matches the 2 rider rope exactly. For the Full Throttle Mega Enforcer 3 Rider Tube, use a rope rated for 3 or more riders.
Life jackets for riders
Full Throttle Men's Rapid-Dry Flex-Back Life Jacket for active riders and the Full Throttle Youth Nylon Life Jacket for kids, both U.S. Coast Guard approved.
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Frequently Asked Questions
Can I use a ski rope for tubing?
No. Tubes create much higher loads than a skier, and ski ropes are not rated for them. Use a tube rope rated for the number of riders.
How long should a tube rope be?
Most tube ropes are 50 to 65 feet, which keeps the tube clear of the boat's prop wash while staying easy to control.
What strength tow rope do I need for a 2 person tube?
A rope rated for 2 riders, which under the WSIA standard means at least 2,375 pounds of tensile strength.
How long should a wakeboard rope be?
Beginners usually start around 55 to 65 feet. Advanced riders lengthen it to reach the cleanest part of the wake, often 65 to 75 feet or more.
What is the difference between a ski rope and a wakeboard rope?
Ski ropes often have some stretch and a narrower handle. Wakeboard ropes are low or zero stretch for a consistent pull and pop off the wake.
When should I replace a tow rope?
When it shows fraying, broken strands, stiffness, heavy fading or damaged loops or handles, or after a hard shock load. Inspect it before every use.
This guide is general information. Follow the rope and towable manufacturers' ratings, U.S. Coast Guard life jacket requirements and your state's towing and observer laws.
