Clamp On Front Derailleur Carbon Frame

The handmade clamps are designed to be as strong as their metal counterparts but safer to lightweight carbon titanium and steel tubes.

Clamp on front derailleur carbon frame.

Your torque wrench may have been on spec it is possible that the tube is slightly oversized where the derailleur clamps at. On carbon frames tube spec generally seem to run big rather than small once you figure in the clearcoat. You could measure the tube with a caliper to see if it is 34 9 or a hair larger. Sizes available are 28 6mm 31 8mm and 34 9mm.

Unique 1 bolt carbon design won t dent or scratch frames. Our renowned carbon front derailleur mount is now available for all frame sets not just our own. Show me your green. A torque key and patience are required for that.

That said as a framebuilder who used to subsist on doing a lot of repairs on steel frames i have dealt with seat tubes that were cracked at the front derailleur braze on. Easiest option is the clamp you could use a copper pipe or similar to maintain the structural integrity of the carbon tube to avoid over tightening it of the right diameter. 5of 5stars average 2reviews choose from 3 options. All parlee frame sets use 34 9mm clamps.

There s no need to treat the underlying carbon before installing a clamp on front derailer. Fiber grip or a similar assembly compound helps increase grip under lower torque but this does nothing to prevent you from over tightening the bolt and crimping the tube. Traditional steel alloy front derailleur clamps look clumsy and weigh a lot more than what they need to. Our 1 piece carbon construction cuts material to an absolute minimum with a very simple understated design.