My chainrings are 42t-32t-24t
cassettes 11t-40t
For the steepest ascend i used Front 24t/Rear 40t to climb (pedaling cadence are the highest, and to maintain climbing & forward)
If the gradient was decreasing a little i would shift down to 36t Rear maintaining at triple chainring to gain some speed.
Me just a noobie on mountain biking.
My MTB tyres are slick type. (because all the while I just cycle on flat tarmac/asphalt)
Just recently, I got cat-curiosity to try hill biking for a change.
I think I m the only person going up/down hill using slick tyres.
Do you think its dangerous or hazardous for downhill using slick tyres?
The hills trails which I'm on by the way is mostly concrete cement type but some parts the cemented road are cracked/broken/ chip away. (by nature & motorbikes, etc)
Nevertheless, I can say some section are well maintained or newly paved concrete cement.
And Some areas only exposed soil or unpaved.
Do you think could skid when travelling down? ( i'm worried if rains or wet after rain)
Do you think by saddle down and lower the tyre pressure when down hill be lot safer?
These are Only my 3rd trip.
On the 1st trip (est.160m elevation), I rode RB (yes, on RB I can go up, with gearing of 52/36 with 11t-34t) & my son rode the MTB, but we didnt go as far & high as the 3rd trip.
I scared to descend (bola kecut) on 1st trip which I push bike all way downhill.
2nd trip (est.185m elevation) I went solo.
3rd trip,I went solo. I made two big climbs, firstly I climbed to 217m which left me breathless, panting & feet down to push bike then I descended a bit and climb another part of the hill at 185m which I was able to cope)
Hope to do more rides up hill and safely.
Welcome to give me useful heads-up pointers & advises.
Nice! 40t x 24t has a good climbing gearing range. My Giant trance has only at 11-36t rear and 40-23-22t front. Depends on the slick tire threads and compound type, yes saddle down works to lower the center gravity. Like Schwable tire brand are grippy on slicks but i would reduce the air in the tube for more grip but my friend very daring on slicks during downhills but definitely will skids during rain or mossy surface. If you're intended to ride downhills on slick make sure reduce the air on the tire to get extra grip surface or make sure the suspension pressure are put to soft supple enough to avoid to much rebound on the tires when it hit the rocks or rough terrains which results of loosing grip. But definitely do not lock up the brakes.
Jul 21 2020, 07:04 PM
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Last May 2020, MCO lifted I come out from my cave, I ride without mask because I use to think I cannot breath. 
Oh yes make sure to tune/pump your suspension according to your weight. To soft or too slow will cause your ride to be bouncy and wasted pedalling energy.
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