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Complete Guide to Downhill Rubber

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toodles

ridiculously corgi proportioned
Aug 24, 2004
5,276
4,455
Australia
Got some new to me plastic hoops that came with new Conti tires. Both are DH casing. Front is an Argotal super soft and rear is Xynotal soft.

So what's the preferred psi front the front Argotal? I'm down to 18psi and cornering grip is kinda sketchy. I'm around 160lbs. NE rocks & roots of the wet kind. Maybe a Kryptotal would do a better job?
Kryptotal DH F @ 19psi has been a pleasure, although nearly time to replace.
 

toodles

ridiculously corgi proportioned
Aug 24, 2004
5,276
4,455
Australia
Same wear time as Maxgrip? Insert in the front? Still undecided about going back to an Assegai/DHR combo.
Lasts much better than a MaxxGrip IMO. No front insert. I think the Assegai might have the edge over the Krypto on gravel and dust but the Krypto better on soil and less knob squirm on hard surfaces like rock and roots. Really good tyre - worth trying. I'm about to go back to an Assegai (Kryptotal pair was going to be $240 AUD, I got a Assegai/DHR2 combo for $145 on sale) but would prefer the Kryptotals if I could get them the same price.
 

Andeh

Customer Title
Mar 3, 2020
913
898
Got some new to me plastic hoops that came with new Conti tires. Both are DH casing. Front is an Argotal super soft and rear is Xynotal soft.

So what's the preferred psi front the front Argotal? I'm down to 18psi and cornering grip is kinda sketchy. I'm around 160lbs. NE rocks & roots of the wet kind. Maybe a Kryptotal would do a better job?
I weigh about 10 lbs more than you, and run the DH casings at 18/21 for stuff without rocks, 19/22 for stuff with rocks. I just spent the week shuttling Ashland OR, and didn't have any flats or bad rim strikes. This is with Kryptotals though.
 

Fool

The Thing cannot be described
Sep 10, 2001
2,659
1,331
Brooklyn
So. Got a day on a pair of Kryptotal DH softs. The word that comes to mind is squirmy, at least on hardpack bikepark stuff. Better on the rocky trails, I think. See if once the knobs wear a bit if they stop feeling so weird.
 

Andeh

Customer Title
Mar 3, 2020
913
898
I was up there shuttling for three days two weeks ago, nice trail system they've built there. Timewarp was a blast.

View attachment 197986
Yeah, Timewarp was so fun. This was my 3rd trip up there to visit a buddy, but the first time it's been not under snow. Well worth the pedal up from the shuttle drop IMO. Bull Gap wasn't anything special.
 

djjohnr

Turbo Monkey
Apr 21, 2002
2,971
1,672
Northern California
Yeah, Timewarp was so fun. This was my 3rd trip up there to visit a buddy, but the first time it's been not under snow. Well worth the pedal up from the shuttle drop IMO. Bull Gap wasn't anything special.
Yeah, Bullgap was meh, although Lynx was pretty fun. Catwalk and the rocky sections of Marty's were my fav outside of Timewarp.
 

konifere

Monkey
Dec 20, 2021
403
495
My Kryptotal R soft have been holding amazingly well so far this year. Oh wait, I still haven't used the bike they're on :wtf:

But to add something meaningful here, the 40d MOPO rubber of my E13 tires (Vee's DH compound too) are still looking great after 550km. The rear one has some rounded edges but still has at least 200km of life left I'd say. Much better than I was expecting, and longer lasting than Schwalbe's Addix Soft.

Another advantage of E13 tires were that they could be found cheap, but now they jacked up the prices in line with Contis and Contis have much better sidewalls.
 

toodles

ridiculously corgi proportioned
Aug 24, 2004
5,276
4,455
Australia
My Kryptotal R soft have been holding amazingly well so far this year. Oh wait, I still haven't used the bike they're on :wtf:

But to add something meaningful here, the 40d MOPO rubber of my E13 tires (Vee's DH compound too) are still looking great after 550km. The rear one has some rounded edges but still has at least 200km of life left I'd say. Much better than I was expecting, and longer lasting than Schwalbe's Addix Soft.

Another advantage of E13 tires were that they could be found cheap, but now they jacked up the prices in line with Contis and Contis have much better sidewalls.
Because I'm a massive nerd and wrote down the date I put the Kryptos on I just checked and my DH casing Soft R/UltraSoft F combo has done 18000m vert and 500kms. They're still going but they're at a state you'd put new rubber on for a trip or big race.

IME, I'd normally have completely toasted a Maxxis or Schwalbe by now on that bike. Casings are good too I reckon


Did anyone see the tyre shootout on Vital recently? I think their winners were a Vee and a Vittoria or something. I'd be curious if anyone has tried that stuff.

*edit* linky boi - https://www.vitalmtb.com/whats-best-mtb-front-tire-vital-mtb-roundup
 

DaveW

Space Monkey
Jul 2, 2001
10,931
2,490
The bunker at parliament
Did anyone see the tyre shootout on Vital recently? I think their winners were a Vee and a Vittoria or something. I'd be curious if anyone has tried that stuff.

*edit* linky boi - https://www.vitalmtb.com/whats-best-mtb-front-tire-vital-mtb-roundup

Interesting, I've been running the Vee Attack's on the rear of a few of my bikes and loved them, but to me they are a def rear tyre not front.
Up front I've found nothing to surpass the Vee Flow Snap WCE DH tyre.
Heavy, but nothing I've ever tried has come close to the grip and robustness.
 

bullcrew

3 Dude Approved
I'm still a magic Mary fan..going to order a couple tacky chans to try..

I do like the assegai as well and dhf combo...have it on one of the bikes , I railed a situation I prayed the assegai would hold line...it did and I overshot the jump after berm and ended up on bushes

Tire held line like rails, so it's up there with dhf and magic Mary

Yeah @buckoW I read that to see pressures and combos was a pretty good read.

Your girl killed.it at the races BTW...
 

konifere

Monkey
Dec 20, 2021
403
495
FWIW I've been running 19.5psi front and 20 psi rear on my hardtail (with Cushcore rear and trail casing tires) in rocky shit all year without a flat or any ding. I won't go any lower, but the low psi is nicer on my back.

On my FS bike with enduro casing Kryptotals I've been doing 22 psi front and 24 psi rear. Seems like my sweet spot.
 

Andeh

Customer Title
Mar 3, 2020
913
898
Anyone able to comment on Argotal vs. Kryptotal front for loose, Tahoe bike park conditions? I picked up an Argotal on Labor Day clearance to use in this winter, and was thinking of throwing it on for my trip up to Tahoe this weekend. I've been told to expect it will do a bit better in the loose but feel a bit squirmier on hardpack.
 

jrewing

Monkey
Aug 22, 2010
126
37
Derby, Oz
Rather fond of the Vee snap wce on the front. Geez they grip somewhat. So ordered up a few on a deal. Did i mention they grip!

e13 grappler endurance compound update. Bought a second one and it still leaks sealant out the sidewalls a month on. Tears knobs like no ones business and i do miss the dampening effect of soft compounds on proper chunky DH trails. Roll fast thats all they do. Dont grip well. And seem real sidewall rollie below 30psi. E13 tyres are dead to me haha.
I think Vee are my brand. Went on easy, sealed instantly. Cant wait to hit the track that will be the Aus National Champs DH track on the weekend with them.
 

Leafy

Monkey
Sep 13, 2019
473
311
Damn those side knobs look really close together and center knobs looks really spaced out and far from the side knobs.
 

Mo(n)arch

Turbo Monkey
Dec 27, 2010
4,428
1,406
Italy/south Tyrol
The looks more like an HRII than an Assegai.
Actually you are right.
Anyhow, not a fan of Schwalbe's offerings. I have ridden the magic Marys for a little bit and had sersious trouble especially with the rear wheel losing grip in corners. At first it was fun to ride a relatively lose rear end until I had to ride in wet conditions. The rear of the bike felt like riding a semi slick. Scary it was.
 
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