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Insanely hot but I forsee that bike bottoming out and that derailleur being ripped off...
How? they don't have any chain growth?
I may be wrong, but i am pretty sure the summum has chain growth. If not it would handle like a oversized concentric BB pivot bike, they may have reduced the chain growth, but they will still have enough to tear a mech off if the chain has no more links
-The old alu summum had 26.4mm chain growth, and although the new linkage is altered, it will still produce chain growth.