the weight gain is not worth it
I really doubt the SL6 disc will be under 750 gr ,
even the rim brake frame is quite a bit heavier than announced , except in no paint stealth version
you buy disc brakes cause they are good, mechanical db not so much
The SL6 has a specific seat post , so you can reduce weight maybe with some light hardware for the seat post .
Take light and stiff stem and handlebar
Carbon wheels with flat spokes like cx ray , 6 bolts rotor are lighter , but the best rotor dura aces are only available in center lock , so light center lock hub
Tubular if you want the lighter , Tubeless or good clinchers with latex inner tubs for rolling resistance and comfort .
Light 30 mm crank , the new s works ? Or hollowgram
I think that's it ....
A high-end SL6 Disc Ultralight with something like a Berk saddle, shallow clinchers, eTap HRD, all carbon everything, light pedals, etc. could probably get down to 6.6kg before going with really exotic components.
....which is lighter and not spoiled by sticky pistons, fading, bleeding, and unf----nbelivable ugliness of hydro levers. To not mention it's double priced.romalor wrote:hydro brake all the way
don't bother with hydro mechanical , mechanical ,
it's stone age technology
to make your life even more complicated, sure go 1x11. Why not ? Why your bike should be light & versatile ? Doesn't has to be. Not at all.
Remember also to choose frame without internal tube for rear brake hose. Then only you can experience full audio feel of disc braked road frame : RATTLING. On every non perfect surface ...what means on every surface
Don't forget as well to install rotors with cooling fins and pads with "cooling system" - bringing -time to time hot-calipers so close to structurally vital parts of the frame has its consequences... . Choosing hub for your wheels, be aware of possible clearance issues ( brake rotor vs frame ) - in many frames it's so tiny, that rotor is rubbing frame. Specially if both are "light".
I'm sure you're aware of all other unevitable issues with DB o road, so I stop here
I can be wrong, and have plenty of examples for that
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