Worst that can happen 🙂 not involving kittens.
I am 85-90Kg, not so gentle, and will race a rigid v-braked SS in DH races against proper DH bikes and Orange 5’s
I have seen super fast skilled riders smash DH spec chainrings, this involves hitting rock gardens at silly speeds or coming up a bit short on a jump and landing and bottoming out in a rock garden.
In several years of racing DH and running a bashring i haven’t bent a chain ring. All the teeth tips show minor damage, but no failures, Bash rings show damage, but no ring failure.
I haven’t seen anyone with legs that would shame Sir Chris Hoy and strip off teeth through sheer leg power. Only from twatting rocks at speed. Alu teeth will sheer off, steel might bend over, you might cut the chain.
If that happens, a bent ring and cut chain are the least of your worries. More like worry about the stats of the local hospital your in a helicopter flying too 🙂
Shaving off 85grams ! i wouldn’t worry, strength and maybe a cheaper steel ring, also that 85grams is low down weight, thats good.
Missed the Ice bike show this year, last year Gamut had beefed up the race rings by 1mm thickness as some world cup DH types had damaged rings in racing ( do you race world cup tracks ? )
I think i have E13 G-ring as well, no issues.
If you can outpower Sir Chris Hoy (who maybe uses Alu rings anyway) or can stuff Steve Peat at downhill racing ( i beat him once ) then your worrying over nothing.
DH spec Alu chainrings should be fine, steel rings will also be fine.
Superlight XC race rings will not like heavy handed treatment.