If you have ever stood in a shop holding two grab handles that look identical and wondered which one actually fits your board, you are not alone. Handle sizing is one of the least documented parts of kiteboarding hardware, and getting it wrong means drilling new holes or riding with a handle that flexes under load.
This guide covers the only three measurements that matter, how to take them in under a minute, and what changes once you start jumping seriously.
The measurement that decides everything: hole spacing
A grab handle does not attach to your board by its overall length. It attaches through two mounting holes, and the distance between the centres of those holes is what has to match.
Take a tape measure, put it on the centre of one insert and read the centre of the other. That number, almost always between 16 and 22 cm on modern twintips, is your hole spacing. Write it down. Everything else follows from it.
Most boards cluster around three values:
- 16 to 18 cm - common on smaller freestyle boards and boards sized under 136 cm
- 18 to 20 cm - the most widespread spacing, found on the majority of all-round twintips
- 20 to 22 cm - typical of larger big air and light-wind boards
If your measurement sits on a boundary, measure twice. A 2 mm error is enough to make a handle sit under tension, and a handle under permanent tension is a handle that will eventually crack around the inserts.
Why adjustable stance exists
A fixed handle fits one spacing. If you own two boards, or you change boards every couple of seasons, you buy a new handle each time.
Adjustable handles solve this with integrated spacers that let the mounting feet slide within a range. On our Handle PRO the stance moves from 5 to 7 cm, which covers the full 16 to 22 cm window. One handle, every board you are realistically going to own.
The trade-off is honest: an adjustable handle has more parts than a fixed one. What matters is how the load path is built. If the adjustment mechanism sits in the load path, it will develop play. If the spacers only locate the feet and the load runs through a continuous reinforced body, it will not.
Grip circumference: the part nobody measures
Hole spacing determines whether the handle fits your board. Grip circumference determines whether it fits your hand.
Worth being precise about what the handle is actually carrying, because it is often described wrongly. In kitesurfing your body weight hangs from the kite: the lines go to the bar, the bar is hooked to your harness, and the harness carries you. Your hand is never holding you up. What your hand holds is the board, which weighs two or three kilos, plus whatever force it takes to keep it pressed against you while you tuck, rotate or swing it out.
That is still a real grip problem. Wet hands, three or four fingers, a fraction of a second, and a board that wants to move. A grip that is too thick means your fingers cannot close far enough to lock around it. A grip that is too thin gives you nothing to squeeze against.
Two sizes cover almost everyone:
- 10.5 cm circumference - standard adult hand
- 10 cm circumference - smaller hands, typically women and younger riders
Half a centimetre sounds trivial. Hold both and you will feel the difference immediately. If you are between the two, go smaller: you can always grip a thinner handle harder, but you cannot make a thick one fit.
Surface texture beats shape
A lot of handles are sold on ergonomic shaping. In practice, texture does more work than contour.
Your hand arrives at the handle wet, sometimes gloved, usually at speed, and often not exactly where you aimed. A rough, high-friction surface across the whole grip tolerates an imperfect hand position. A beautifully contoured handle with a slick finish does not: it only works when your hand lands precisely in the moulded groove, which is not what happens at the top of a jump.
Look for a surface with visible texture rather than a polished finish, and check that the texture runs the full width of the grip, not only the centre section.
What changes when you start going big
For cruising and the occasional grab, almost any handle holds. Big air changes the loads in two ways.
First, the peak force is higher, though not for the reason people assume. The board still weighs two or three kilos. What multiplies that is acceleration: in a board-off, or when you swing the board out away from your body mid-rotation, the handle sees several times the board static weight, applied through a short lever at the inserts.
Second, and more importantly, the loading is cyclic. Every session is dozens of grab-and-release cycles. Plastic handles do not usually fail on one big pull. They fatigue, develop a hairline crack near an insert, and then let go on an ordinary jump weeks later.
This is why internal metal reinforcement is worth the weight. It is also why you should look at your handle rather than through it, twice a season: check for hairline cracks radiating from the mounting points, and check the screws are still seated.
Screws and mounting
Use the screws that come with the handle, and check the length. Too short and you engage only part of the insert thread. Too long and you bottom out against the insert before the handle is clamped, which feels tight while actually being loose.
Hand-tighten, then a quarter turn. These are inserts bonded into a composite board, not steel threads, and they strip permanently. A drop of medium-strength threadlock is a better answer to loosening screws than more torque.
Re-check after your first session on a new handle. The grip settles slightly against the deck and screws that felt tight will often take another quarter turn.
Quick reference
- Measure centre-to-centre between your mounting inserts, not the handle length
- Under 18 cm, around 19 cm, over 20 cm: three broad families, all within 16 to 22 cm
- Adjustable stance covers the whole range if you own more than one board
- Pick 10.5 cm grip for standard hands, 10 cm for smaller hands, size down if unsure
- Prefer visible texture over moulded contours
Our Handle One covers 16 to 22 cm in two grip sizes, and the Handle PRO adds the adjustable stance. Both are built around a metal-reinforced core with a full-width rough surface, because those are the two things that actually decide whether a handle lasts.