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March, 2024

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BSL adjustment range

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TheGhostlySheep
Posts: 2 - Karma: 25
Most bindings come with an adjustment length in mm. Mine say 28mm. However, I’m wondering if this means 28mm in one direction or 14mm in each direction? So, basically does it mean the bindings can fit boots 28mm either bigger OR smaller or can they fit boots that are 14mm bigger AND 14mm smaller.

Also would changing the binding to fit a larger boot effectively move the mounting position further back? And the opposite for changing the binding to fit a smaller boot?
Jan 2 2022 9:35AM
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Phatboy64
Posts: 118 - Karma: 453
In your example it is 14 each direction
Jan 2 2022 9:46AM
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BradFiAusNzCoCa
Posts: 6637 - Karma: 57,188
28mm track so depends on where you mount. In theory, 14mm bigger or smaller and yes, it will move the mount point forward and back a little. All depends on where it is in the track when your ski is teched and mounted. If your heel is at the front, then it’s 28mm bigger, etc.
Jan 2 2022 10:39AM
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nkloss4
Posts: 67 - Karma: 703
it means 14mm in each direction, but most bindings don’t go as far as advertised. if your bindings are already fit to a boot, then they might not be centered exactly either.

as for the mounting, yes technically it changes a little bit as it’s the heel piece that adjusts, but unless your boot is significantly bigger/smaller i doubt you’ll notice a difference.
Jan 2 2022 10:43AM
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sarc
Posts: 246 - Karma: 1,879
The mount point is determined by the BSL and the position of the toe. It's switching to a larger boot that makes it move, adjusting the heel is just compensating for that. A BSL that is 10mm longer will be 5mm further back, roughly.

This is why rental bindings are heavy, they can adjust the toe to position any boot on the mount line.
Jan 2 2022 11:12AM
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