Technical Q&A with Lennard Zinn – Don’t do that to aluminum; 9-speed 10-speed
Cold-setting (that means bending to you and me)Dear Lennard,I ride a 1980's vintage Klein Quantum with an 8-speed rear. ShouldI be able to get the frame adjusted to fit a wider 9- or 10-speed wheel?BrianDear Brian,Were this question about a steel frame, it would be not be a problem,but no, you cannot adjust an aluminum frame permanently without damagingthe frame. But you can flex the stays to put in the wheel each time youdo it without hurting the frame. You just can't make fast wheel changes.However, cold-setting an aluminum rear end so that it holds 130mm rearspacing rather than the