This rear box rule is squarely targeted at the aero fish that Magnus used at Roth. We cannot find any past examples of anyone else violating this new rear box rule.
Our athletes did not care for the BTA bottles coming back far between their knees, so the BTA rule also does not seem to affect our athletes.
these rules do create confusion. They need to be better written.
It will need a visit from Mr. Dremel to regain legal status. Pretty easy mod though, since the offending fillet is non-structural and non-functional (i.e. not part of the bottle).
Well it looks like Iden found the loophole. Has his bottle bracket mounted off his top tube at IM texas so its way further back (although i guess lower)
It’s interesting, as top tube was included in IM’s original definition of “around the steering axis” mounts, but that’s not included in the new World Tri ones.
Well the IM “top tube” mention was just complete rubbish.
No physically competent human could include ‘top tube’ in the parts of a bike which rotate about the steering (tube) axis. Does the down tube “rotate around the steering axis”?
A good number of the BTA bottle set ups would not satisfy the detail offered in the interpretation doc.
And isn’t what you can mount on the top tube specified in that doc too? Iden’s set up seems doubtful, for Frankfurt (25th May: effective date for implementation (within WT/DTU anyway).
My comment was about the section where it says you can’t run bottles bts if you have internal frame hydration. I thought it meant any hydration internally in the frame. But after reading it closer, it seems the internal frame hydration is specific to the rear. Like the shiv tri. So canyons and felt ia 2.0’s should fine. At least that’s my current understanding of it.
That’s not how I’m reading it. I’m possibly missing something. I hope you’re right.
Exception rear
– Hydration - Systems integrated in the frame:
o may be larger than 30 x 30 cm,
o may not contain more than 2 litres in total,
o must not protrude beyond the vertical line through the rear axle.
o On bicycles with hydration systems that are integrated into the frame, no additional
attachments may be added to the rear of the frame.