Clamp On Front Derailleur Carbon Frame

Sizes available are 28 6mm 31 8mm and 34 9mm.

Clamp on front derailleur carbon frame.

Unique 1 bolt carbon design won t dent or scratch frames. Our 1 piece carbon construction cuts material to an absolute minimum with a very simple understated design. Your torque wrench may have been on spec it is possible that the tube is slightly oversized where the derailleur clamps at. Our renowned carbon front derailleur mount is now available for all frame sets not just our own.

There s no need to treat the underlying carbon before installing a clamp on front derailer. Traditional steel alloy front derailleur clamps look clumsy and weigh a lot more than what they need to. All parlee frame sets use 34 9mm clamps. Parlee carbon front der braze on adaptor 28 6mm.

A torque key and patience are required for that. 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. On carbon frames tube spec generally seem to run big rather than small once you figure in the clearcoat. Show me your green.

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. The clamp has no moving parts or pivots that can damage lightweight carbon fiber titanium or aluminum seat tubes. The handmade clamps are designed to be as strong as their metal counterparts but safer to lightweight carbon titanium and steel tubes. You could measure the tube with a caliper to see if it is 34 9 or a hair larger.