MAGURAs wavey rotor design moves mud away from the pads and allows the brake to run significantly cooler, with large air channels furthering the cause. Mineral oil is used in all MAGURAs; favoured as it does not absorb water (like DOT fluid). This does exclude the the use of anything but organic pads organic pads: the seals cannot take the heat built up by metallic pads.
There is plenty of power from the low pressure system , but the modulation is not as good as MAGURAs higher-end products. What you do get is great after-sales, quality manufacture and a five-year no-leaks warranty.
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MAGURA's Louise Greens are a limited production run of stock Louise disc brakes where the lever body has been painted green. So they still sport a one-piece brake caliper, 160mm wavy rotors and MAGURA's excellent lever shape, but MAGURA will limit production to 800 units to keep them exclusive. In addition, each brake comes with a free matching green Deuter Hydrolite 2 pack which has a decent bladder and retails for 30 sniffs.
All that aside, the Louise brakes are excellent. The lever shape is first rate, power is ample given the small rotor size, and the brake offers stacks of modulation, which is a good thing as power is nothing without control. The organic pads need curing to ensure longevity, so follow the instructions carefully, as swapping to sintered pads isn't an option - MAGURA brakes are only to designed workwith organic pads. Basically the pad acts as heat plug and while this requires that you bed them in correctly, it also means you won't need to worry about brake fade or pump if you take the Louise brakes to the Alps. Good performance, excellent quality and exclusive. What more could you want?
MBR rating: 9/10
With the 180mm/160mm disc combo we tried giving plenty of easy anchorage. The wavey rotor pattern means a bit of warble and pulse, but you'll soon get used to it, and it does genuinely seem to help pad cleaning for a consistent bite.
The brakes take a while to bed in and you need to avoid really wet conditions until the pads harden up, but they'll repay patience with a decent liefespan and no heat problems whatsoever. You'll need pliers to to whip the the pads in and out, though.
But, apart from that, setup is easy on the slotted mount and they use mineral oil, which is much kinder on paint and skin than DOT fluids. Overall bulk mean the whole setup is relatively heavy and utilitarian looking , but per performance per pound makes them a great budget choice.
Patient setup delivers hydraulic control and power at a great price.
Julie gets the 'Value' distinction.