Magura Storm and Storm SL Rotor Review

Components Pro Reviews

Measured Specs:

Storm SL

  • 160mm – 92 grams
  • 180mm – 114.2 grams

Storm

  • 160mm – 114.1 grams
  • 180mm – 139.8 grams

SL Wavy (old rotors – Marta Spec)

  • 160mm 102.8 grams
  • 180mm 126.4 grams

Drilled SL (old rotors – Louise Spec)

  • 160mm 132.6 grams
  • 180mm 153.3 grams

magura_sl

Bottom Line
The Storm SL is a supremely wonderful rotor, that have some excellent characteristics, such as feathering, modulation, fade resistance, lightweight, and they look pretty cool! The additional control they offered in technical terrain was greatly appreciated, which was noted on steep rollers and rock ramps, where they tended not to lock up easily. Like any of the cutout rotor types, they do wear pads quicker, and make a slight tick noise, albeit it’s subtle.

The Storm is a great rotor, that is powerful, fade resistant and lighter than its predecessor. They can skate down any terrain, no matter how steep or long, and never suffer any weaknesses nor do they judder, though on occasion they squealed.

Magura has done a great job with these new rotors, and they are highly engineered products, and are a vast improvement on their predecessor’s.

MSRP: Storm SL $30 – Storm $25

Storm SL Overall Rating: 4.5 Flamin’ Chili Peppers
Storm Overall Rating: 4 Flamin’ Chili Peppers


Magura Company Specs

 

Storm SL
Url: http://www.magura.com/en/products/disc-brakes-2010/prod/storm-sl-rotor.html
Diameter: 203, 180, 160, 140 (NEW!) mm
Weight: 15% less than predecessor (From 147g/0.32 lbs. (203mm) to 75g/0.16lbs. (140mm)
Compatibility: all disc brake models except Gustav M
Material: high performance steel
Mounting: IS 6-hole version, Centerlock compatible in conjunction with new Centerlock adapter (available in August 2010)

Storm
Url: http://www.magura.com/en/products/disc-brakes-2010/prod/storm-rotor.html
Diameter: 203, 180, 160 mm
Weight: 15% less than predecessor (From 177g/0.39 lbs. (203mm) to 114g/0.25lbs. (160mm)
Compatibility: all disc brake models except Gustav M
Material: high performance steel
Mounting: IS 6-hole version, Centerlock compatible in conjunction with new Centerlock adapter (available in August 2010)

About the author: Brian Mullin

Brian has been part of the Mtbr team since 2007, where he has become an integral member of the review and test staff, specializing in technical articles. He likes to push the limits in all the sports he obsesses in, whether it's mountain biking, whitewater kayaking, extreme skiing, or sport climbing. He takes those same strengths and a good dose of insanity to his reviewing and writing on mountain biking products, creating technical, in-depth and hyperbolic articles. Whenever he's not on the bike, he might be found watching MotoGP racing, otherwise look for him out on extremely technical singletrack.


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  • Sean says:

    Could i use the storm sl with avid elixer 7 brakes? Should i replace my current pads if they are compadable?

  • Brian Mullin says:

    The Storm SL’s are thicker than most other manufacturer’s rotors, coming in at 2mm, and Avid’s are 1.8mm (not verified). Although the Avid’s calipers should align to the thickness of the rotor, you should be using a rotor who’s thickness closely matches with the Avid’s specs, since that’s what the brakes were designed for. But, I would assume they should work? Always start with a new set of pads when going to a new rotor.

  • dc says:

    can i use the storm sl 203mm to replace my magura marta sl rotor (200mm)?

  • Brian Mullin says:

    The Storm SL should work fine in any size. I never heard of 200mm size for Magura rotors, only 203mm? What sort of adapter are you using? All of their adapters I am aware of are for 203mm?

  • mel says:

    can i put storm sl 180mm on my magura mt2 can you explain me what is the ticking that produces the brakes when you brake thanks!!

    • Brian Mullin says:

      It will fit a MT2. The ticking noise is from the larger cutouts on the SL version (which help save weight). It’s common trait of many light weight rotors.

  • Peter Underlin says:

    My 2008 S-Works stumpjumper came with a magura 185 mm rear rotor. Will a 180 mm Magura storm rotor fit or will I have to find a 185 mm rotor?
    Thanks in advance

    • Brian Mullin says:

      What brakes are you running, since Magura’s rotors are thicker than anyone else? If you want a 180mm Storm rotor (thought only Avid’s did 185mm rotors?), just get the Magura QM-6 adapter (or anyone’s 180mm PM adapter) and you’ll be all set.

  • Mark says:

    Can i use storm sl 180mm on formula c1 brakes?

    • Brian Mullin says:

      As long as you have the proper adapter it shouldn’t be an issue. They are the same 2mm thick rotors as Formula’s system.

  • Mark says:

    And also which on is the best for cross country storm or storm sl? Thanks.

    • Brian Mullin says:

      The Storm SL is best for cross country. Actually, anything outside of freeride and downhill, the Storm SL works just fine in.

  • Mark says:

    Out of the topic. Im also considering hope floating rotor and avid hsx which one would you recommend? Thanks

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