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Old 06-17-13, 11:59 AM   #1
balgera
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Help with Minoura trainer?

Hello all!

I recently purchased a Minoura Mag 850 trainer second hand. I just tried to set it up, and my wheel seems like it's just a little too big... the flywheel presses deeply into the tire when I put the bike on, so I need to back it up a bit. I cannot figure out how to adjust the height of the flywheel so my wheel will fit. I have 700x23 tires. Can anyone help?

The instruction manual does not actually have any instructions. And I have googled the heck out of this issue and can't find anything.

TIA!
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Old 06-17-13, 01:05 PM   #2
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It looks from the schematic like there isn't any manual adjustment, unlike the current Minoura trainers, which have a knob. Is there a spring that presses the roller against the tire? Does pressing down on the foot pedal disengage the roller? If there's a spring that keeps the roller in place, then I think the only solution is to pump up the tire to a higher pressure.
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Old 06-17-13, 01:10 PM   #3
RaleighSport
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I have a fairly old minoura trainer, on mine there's a lever or foot lever depending on your perspective that raises the roller shaft up to meet the wheel, on the underside of said lever is a turn knob that controls the height, try looking there maybe?
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Old 06-17-13, 04:45 PM   #4
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Thank you both! I ended up contacting Minoura support and it turned out I did have the wheel completely disengaged, but I actually had a bracket attached to the flywheel for use with smaller wheel sizes. Removed that and problem solved. Thank you for your help!
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