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Schwalbe Radial MTB Tires FAQ — Is Radial Real?

Schwalbe’s Radial tires are a new-for-MTB casing platform built to increase trail traction and support without relying on ultra-low pressures or inserts. Right now, the core lineup most riders are choosing from is the Magic Mary Radial and Albert Radial, with the Shredda Front / Rear as a specialist ebike and soft-conditions option.

This guide covers what Radial is, how the casings and compounds work, and how to choose between the Magic Mary, the Albert, and the Shredda Front or Rear.

Overview — What Does “Radial” Mean Anyways?

Radial refers to the way the casing plies are oriented in the tire. In your car tires, the threads run a perfect 90° side to side. Compared to traditional MTB “bias-ply” construction that is at a 45° angle to the bead, Schwalbe’s Radials are much closer to that of a car tire and that changes how the tire deforms under load in comparison to your standard Maxxis casing. Schwalbe has excellent visuals on their site here.

On the dirt, the radial construction aims to deliver:

  • More tread conformity to trail texture — the knobs and the carcass itself can mold over roots, rocks, and chatter in a more localized manner. Small imperfections in the trail don’t bounce the tire as much and it keeps the momentum moving forward.
  • Calmer ride feel — less vibration and pinging through the feet and hands. It provides an overall more “quiet” feel, allowing the rider to focus more on the trail itself.
  • High traction at normal-to-higher pressures — This is the big one, and what sets these apart. Higher pressures have a lot of favorable properties, and if you don’t have to sacrifice suppleness at the contact patch, it’s a win-win. A ‘have your cake and eat it too’ situation, if you will.

Important setup note:
Schwalbe and Worldwide Cyclery recommend starting higher than your normal pressures, then fine-tuning:

  • Trail Pro Radial: start about +5 psi higher than your usual Trail casing pressure.
  • Gravity Pro Radial: start about +3 psi higher than your usual Gravity casing pressure.

That’s the secret sauce. Radial is about better traction and damping at higher pressures, not lower.

 

Casings, Compounds, and Tire-by-Tire Breakdown

Radial Casings

Trail Pro Radial

  • The lighter, more pedal-friendly casing in the Radial line.
  • Benefits lighter riders with more suppleness in a durable casing compared to a traditional casing.
  • Designed for trail bikes and everyday enduro setups where climbing still matters.
  • A bit more “trail feel”, like EXO+ compared to DH casings on Maxxis.
  • Best starting point if you want Radial feel without full-gravity weight.

Gravity Pro Radial

  • The heavier, more supportive Radial casing for heavier riders and aggressive trails, think DH, bike park, and full-power ebikes.
  • Delivers more damping and stability at speed.
  • Meant to be pushed hard and loaded in rough terrain.

 

Addix Compounds Available

Addix Soft

  • Balanced compound for dry to mixed riding.
  • Slightly better rolling efficiency and longevity than Ultra Soft.
  • Good choice for riders prioritizing speed or riding in dry climates.

Addix Ultra Soft

  • Maximum mechanical grip for wet rocks, roots, slick hardpack, and in general anything slippery on the trail, particularly off camber.
  • Best option when maximum traction is the priority.
  • Comparable to Maxxis MaxxGrip in feel, but lasts much longer in practice.

 

Magic Mary Radial — Who’s It For?

The Magic Mary Radial is the gravity-biased, primarily-front tire in the radial family. Weights range from 1220-1340g.

Best for:

  • Loose-over-hard and purely soft conditions.
  • Cornering at aggressive lean angles.
  • Steep or high-commitment descending.
  • Riders who prioritize front-end bite and braking traction.

Variants:

General role summary:

  • The Magic Mary is the “everything on the spectrum of loose” radial offering.
  • We’d consider it a front tire first. As a rear tire, it shines when conditions are consistently loose or steep enough to justify the drag.

 

Albert Radial — Who’s It For?

The Albert Radial is the generalist, all-rounder tread designed specifically around Radial casing behavior. Weights range from ~1100-1300g.

Best for:

  • Daily trail riding.
  • Enduro setups where you want grip without a mid spike, particularly as a rear.
  • Mixed conditions across seasons.
  • Riders who care about predictability and consistent cornering.

Variants:

General role summary:

  • The Albert is the versatile all-rounder with a wide window of applications.
  • Valid as a front, rear, or matched set — depending on terrain and how aggressive you ride.

 

Shredda Radial — Specialist Soft-Conditions Tires

Shredda is a true spike platform in two models. While you can of course put any tires on any bike, they are generally considered to be “ebike” tires, owing to the extra-heavy weight and dreadful rolling resistance.The weights are in the 1410-1510g range.

Shredda Front

  • Deepest and most open spike pattern in the Radial line.
  • Intended to bite into soft surfaces and hold on steep fall-line terrain.
  • One variant: 29x2.5" Gravity Pro Ultra Soft

Shredda Rear

  • Still a spike, but with a more structured center tread for drive and braking.
  • Built for climbing and braking traction in soft ground, especially under e-MTB torque.
  • Only available in the Gravity Pro, Ultra Soft configuration in 27.5” and 29”.

Rider Feedback:

  • Shredda is consistently described as a killer in truly loose and heinous deepness—loam, mud, soft silt, wet winter soil, deep blown-out dust.
  • It is also consistently described as overkill on normal trails.
  • Many riders choose Shredda Rear on the front because it keeps the spike grip while offering a smoother transition and better composure when trails firm up.

     

Because the Shredda has a narrow use case owing to its weight and rolling speed, it makes sense to view it as a conditions-specific tread or a full-power ebike set, not a daily-driver Radial option for most riders.

 

General Recommendations

If you want a simple starting map:

  • Everyday trail / mixed conditions:
    Albert Front + Albert Rear
     
  • Aggressive enduro / loose or wet descending:
    Magic Mary Front + Albert Rear
     
  • Soft-conditions gravity / winter loam / e-MTB fall-line:
    Shredda Front + Shredda Rear
    (or Shredda Rear on the front for a slightly more versatile spike front)

 

Real Rider Experience

Below is my direct experience on these tires. I’m just one rider, so of course YMMV,.

Rider context

  • ~155lbs with gear
  • Bikes: Specialized Stumpjumper EVO + Enduro
  • 27.5 and 29”, 2.5" widths only
  • 30 mm internal rims, no inserts
  • Primary terrain: Reno/Tahoe DG, deep dust, loose-over-hard, some loam; Trips to Auburn clay, Humboldt loam, Las Vegas desert, and Colorado big mountain.
  • My tire bias: I want a predictable transition straight up-and-down to full lean, I want strong braking power, and I need decent rolling speed owing to my weight.

 

My Radial Casing Take

The whole package tracks small chatter, roots, and rocks better than anything I’ve ridden, while staying fast on dirt. The ride is more damped and quieter through the bars, without turning vague.

The key thing — the radial casing has allowed me to run the higher pressures I’ve always wanted, while getting more grip, and no inserts needed**

**In my own use, I’ve found inserts can reduce tire volume ‘travel’ and make rim strikes harsher — since ditching them and leaning on higher pressures, I haven’t broken a wheel. That’s not a universal fact, but has been my experience.

My pressure windows

  • Trail Pro Radial (Albert or Mary): 25–28 psi
  • Gravity Pro Radial (Albert or Mary): 22–25 psi

 

Magic Mary Radial (Ultra Soft only)

I ran Mary Radial as a front only on the Enduro.

  • Full-lean grip is excellent — once it’s on edge it locks in with zero squirm and very direct steering.
  • Straight-line braking traction is awesome as long as you load the front contact patch. It works if you’re trail-braking, but responds most assertively with a purposeful pull on the anchors, when the weight balance of the bike shifts forward.
  • The Radial casing makes the Magic Mary way more predictable on wet roots and rocks than the older Marys I’ve ridden.

My personal sticking point in deep DG dust is the mid-lean feel. It reminds me of a DHF-style slide-then-catch transition. I still don’t love that personality, personally. Some people love that for the confidence in knowing where they are in the lean.

Notably, I found the Trail casing reduced that slide-and-catch feeling compared to Gravity.

Rear tire verdict for me: not unless I’m riding primarily loose, steep gravity trails where rolling speed doesn’t matter.

 

Albert Radial (2.5 only, 27.5 + 29)

Albert Radial feels like the tread was designed around Radial casing behavior — it rides like a coherent design, not a legacy tread stuck on a new casing.

  • Rolls surprisingly fast on dirt despite square knobs.
  • Feels incredibly predictable upright through full lean.
  • The “traction” I care about most is knowing exactly what it’s going to do. The Albert nails that.

Front limit: if you overestimate it on steep and loose trails, it can understeer. Within its limits it actually biases ever so slightly toward oversteer, which I prefer — it’s easier to correct and less spooky.

Rear behavior: phenomenal on everything except the deepest bottomless loose. It anchors hard under braking, especially in Gravity casing, though not quite to the famous deceleration that the DHR II is renowned for..

 

Miscellaneous.

The quality of these tires has been solid overall. Like any tire brand, occasional issues happen, usually wobbles. Schwalbe’s warranty is best-in-industry, they stand behind their stuff, and if you ever have a problem, we’ll take care of you.

Mounting was no problem with a little patience. Schwalbe’s can be stubborn when it comes to one side staying on the rim while you’re working on the other—this has been true for years and remains so with the Radials. A trash can is a great tool for leverage here.

When first installing the tire, if possible, inflate it to the max psi written on the sidewall and leave it overnight. All tires grow and stretch a bit over their life, this is just a shortcut for that. You can measure it yourself with a caliper!

I had one puncture that was absolutely rider error and it sealed for the rest of the ride with a plug and then was permanently fixed with a Lezyne Tubeless Pro Plug. That was it, no other issues.

 

In Conclusion — Yup, Radial is Real. Really.

These tires generated a lot of buzz when they came out, as many new products do. But since then, we’ve seen many customers buy them again, and again, and… you get the point. You’re even starting to see premier brands like Yeti and Santa Cruz speccing them OEM on their complete bikes. That’s one heck of a glowing endorsement. In short, they’re the real deal, real riders are sold on them, and they offer a genuinely unique and arguably superior experience. All that’s left is for them to release more tread patterns in the Radial casing. Schwalbe, are you listening?

If you’re unsure about casing choice, compound, or which combo fits your trails — contact us and we’ll help you dial it in. We live, eat, and breathe MTB.

P.S. For anyone wondering, this was written by a real human — I just enjoy the em-dash.



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