KCNC's SC11 seatpost collar is designed for the rigors of off road riding and through careful engineering stays very light. The 7075 aluminum body of the KCNC SC11 is aggressively machined to shave unnecessary weight from the body of the collar. A lightweight scandium M7 bolt is used and as with all lightweight equipment, KCNC recommends the use of a torque wrench when tightening the bolt to prevent breakage.
I used this on a carbon framed bike with a carbon seatpost. The post would slip even at the recomended torque. A little fiber prep fixed the slipping problem with no problem. The finish is excellent but I question how long the clamping bolt will last as it is an aluminum like bolt.
Same here, set to 75 in lb (about 8.5 Nm to be "safe") and heard a loud POP before the torque wrench click. The shiny little bolt snapped clean in half. The collar looked good and was light, but probably needs a Ti or steel bolt instead of the hollow aluminum.
I received this clamp & it was almost pink in color. I have the KCNC QR clamp that looks similar to this one on another bike of mine & it's a beautiful red color, looks nothing like this one. "Jenson" don't you look at these things when they come in or when you ship them to customers? Shame on the employee who packed this thing up & shipped it to me. This should have been sent back to KCNC for bad Anodizing.
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