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Re: Official FIT ASSISTANCE for Canyon Speedmax CFR, CF SLX, and CF (disc & rim brake) [smon]
Hey Ian,

My nephew is look at the Cf slx 8.0 sl. He is only 15 so he might grow a little. I would guess 5’10-11” at most.
He is riding an old orbea Ora hand me down that is a little too small now. Either way, here are his current measurements:
Height : 173
Inseam : 81
Crank arms 170
PY: 597
PX: 451 (looks like he needs to stretch out some)
Seat height : 762 ism saddle

Seems like he might max out a small but is below the minimum on a medium. Any insight?

So great to come with all the proper data- thank you.

This is a tough call only because of the anticipated growth over the next 2-3 years - certainly within the lifespan of the bike. Let me just brainstorm on this post so you have the info you need.

If you went with the Speedmax CF in size Small it will work now with the 70mm stem that comes stock. You'd slam him to rock bottom and it would result in a Pad Y of 600 when his Pad Y is 597. I think that's okay because as he grows his seat height will likely go up and the bars will come up too to sustain his drop. As to the length of the cockpit the Small can go out another 15mm with this stem and another 10-20mm with an 80mm or 90mm stem. But, here's my concern: max seat height is ~775 and he's at 762. His legs are already long so this probably won't be an issue.

If you went with the Medium the seat height is fine, the cockpit distance leaves lots of room but the pad height is an issue. The Medium's lowest Pad Y is 630 and if he's riding at 597 now I don't think 630 will be satisfactory.

I think the small is the best bet.


Ian Murray
I like the pursuit of mastery
Twitter - @TriCoachIan
Last edited by: ianpeace: Jul 9, 21 9:16

Edit Log:

  • Post edited by ianpeace (Dawson Saddle) on Jul 9, 21 9:16