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Binding Weight Limits

post #1 of 13
Thread Starter 
I recently bought a cheap pair of head c220's. I just started skiing a few months ago and since I live in michigan (with no real mountains) I just wanted something simple to ski on. I thought the bindings would be OK ( the din is 3-10) and I am a beginner and ski 99% groomed. When they arrived I adjusted the tyrolia rl 10 binding to fit my boot. I was surprised by how little holds the binding on and at the right size. I weigh around 250, is this binding going to support my weight?
post #2 of 13
The DIN spring setting depends on your skill level, height, weight, and ski boot sole length. As long as the combination of those factors requires a DIN of less than 10 on the chart, you should be fine. If you just started skiing, I am sure your DIN will be less than 10.

What DIN did you set them at? Also, be sure you adjusted the forward pressure correctly.
post #3 of 13
Thread Starter 
I set the din at 7.5 (found a website that took into acount weight, sole length, height, skill level). I have adjust din on front and rear binding..is there somewhere else that I change pressure for the front?

I am just concerned because when I took it apart to adjust the size i discovered that the sole length is only held in place by a plastic peg that is toothed that fits into a slot. It just seems like thats alot of pressure to be putting on plastic parts considering I wieght 250 lbs. Like I said, I am brand new to skiing so maybe all bindings use this method.
post #4 of 13
What binding do you have? We could probably direct you to an on line manual with diagrams.
post #5 of 13
Thread Starter 
When I bought the skis they were called Tyrolia SL10....however, The only thing I can find online is theTyrolia RF10 (which uses an SL toe and SL heal) so I am guessing they just chnaged the name with newer models..

As far as adjusting for sole length, I searched this website for a while and found how to adjust them and did so. I am just surprised at how much plastic is used. I have set the din, but a previous poster said dont forget to set the pressure on the front. I am not sure if he was saying make sure to set din on front and back, or if besides din, there is something else I need to adjust on the front.

My original question is ...besides the din adjust ranges, is there certain bindings that are created for lighter/heavier people. Like I said, there isnt much securing the toe and heal to the correct sole size (just a plastic peg) and being a person that deals with material properties in my everyday job, I am concerned that those pegs will snap when I start heading down a blue/black.
post #6 of 13
The forward pressure is set/checked on the heel piece. When you click the boots in, the heel piece should slide back 2-3 mm, such that the metal tab on the back is partway into the housing (there's a scale on the tab, and you want to be midway within the scale). With boot removed, you can lift the tab and slide the heel piece as needed to tweak the forward pressure.

The boot size setting you adjusted is the macro setting, which may or may not result in the correct forward pressure. The adjustment on the back is the fine tune setting.

The bindings will release before any parts break or rip out of the ski (ideally) so you shouldn't worry about it until your DIN gets close to the upper end of the DIN range, or exceeds it. Then you definitely want to move to a better/stronger binding.
post #7 of 13
The C220 uses the railflex system. The plastic tabs are used to hold the toe and heel bindings at the correct sole length but the binding is held to the ski primarily by the rail.

As others said - you should be fine with the binding.

post #8 of 13
try this
Originally Posted by Racer256 View Post
post #9 of 13
I think the answer you are looking for is:

Yes, some bindings are designed for light weight/ cautious skiers and some are designed for heavy/ agressive skiers. If the DIN range of the binding is enough for you, the binding will 'work' for you. It may be sub-optimal, but it will work. As has been mentioned, the rails hold the binding on the ski, the plastic plugs just hold the toe and heel the correct distance apart, there is very little stress on this part.
post #10 of 13
Thread Starter 
Thanks, you guys are awesome....

1 more question....how do I know which of the 3 forward pressure postions i should set it to. I have a 339 sole length and the macro adjustment is set to 340.

It was set at the middle setting, but i have switched it to the last position. Is this ok? will I even know the difference considering I am a newbie?
post #11 of 13
I can't seem to find my Tyrolia manual from my days as a ski tech, but I believe the 3 positions you are referring to adjust the binding mount position relative to the ski. There should be a +15, 0 and -15 setting, for mm forward or back of the boot center mounting point. I would recommend running the bindings in the middle, or 0 position, provided the boot center marking aligns well with the mark on the ski.

The forward pressure setting everyone is referring to is a small metal tab on the back of the heelpiece, underneath the DIN adjustment screw. This tab will have a marked section, and that should be about halfway out of the binding with the boot clicked in.

A DIN of 7.5 seems a little high for a 339mm boot sole, and I'm assuming a type 1 skier, unless you're quite tall.
post #12 of 13
I have seen the plastic on some light duty bindings crack before the binding releases
post #13 of 13
jet, make sure you get someone qualified to look over your bindings -- I'd hate to hear that you injured yourself, missed the rest of the season, and had to get $15,000+ surgery because your bindings were not adjusted right! Definitely be sure you're not confusing the mount position with forward pressure, as they are totally separate and unrelated things.

With a 339 boot, the 340 setting will be OK but you might be on the low end of the forward pressure range. You might need to tweak the rear tab forward one notch. Hard to say without seeing the forward pressure indicator. You're better off being at the high end of the range rather than the low end of the range.
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