SKS GRAND D.A.D and GRAND M.O.M Fender Review

Gear Pro Reviews

These mountain-bike fenders from the German SKS company, are part of their oversized line, and are meant for big fat meaty tires in mud and rain. The fenders are easy and quick to install and remove, have ultra wide coverage, and are made from a high quality dual compound plastic. I have used them throughout the Summer, Fall and part of the Winter, and they have been outstanding, and have kept me from getting the brunt of water, slush, snow, dirt, and mud during inclement and atrocious weather conditions. I was most appreciative of the fenders during high speed runs, when you weren’t constantly bombarded by flung up dirt and mud.

The GRAND D.A.D. or Dual Adjustible Dirtboard, is their fork based fender, and is designed for 26-inch tires. The fender is 24 inches long and 4 inches wide, and use’s a dual-compound plastic, with a softer and flexible gray section at the rear. It clamps on by inserting a wedge system into the bottom of the fork’s crown, and the included hardware kit has adapters for 1 inch to 1.5 inch diameter steerer tubes. The insertion system has a quick-release connection, and has front and rear horizontal adjustment, and front vertical adjustments to fit a variety of forks and frames. It comes in basic Black, and retails for $35.

This fat tire beast is easy to install once the proper adapter is chosen, and the installation is understood, but the included multiple language instruction manual is a bit cryptic and too concise, so it takes some additional time to decipher the fender’s idiosyncrasies. You choose the largest wedge that fits into the fork’s crown tube, and screw in the quick-release bolt until the wedge expands, and tightly holds the fender in situ. Lastly, you slide on a bright orange cover to keep everything protected and in place. Unfortunately, the cover is easy to misplace and lose, so it didn’t take me too long to accomplish that brain-dead maneuver. If any fine tuning is required for fitting things to the frame or fork, the front half of the fender has a simple three notch vertical height adjuster. The horizontal adjustment is a bit more involved and requires taking the wedge system apart, and then the front and rear sections can independently be moved fore and aft as required.

It’s nice to have a fender that is this wide, since a majority of the fenders on the market don’t have enough coverage for 2.35 inch to 4 inch tires. I found that it gave more than adequate protection from crud being flung up, and it kept me drier and cleaner. It didn’t provide much coverage for the feet, but the rear doesn’t swing down enough to provide the additional spray pattern. Even with 7 inches of suspension, the fender did an admirable job, which is pretty amazing considering the large distance it needs to cover. I never had any rubbing issues with the frame or fork once I did some fine tuning, and the only thing that ever rubbed was the front brake cable, which was exacerbated by my moto style setup.

Measured Specs:

  • Length – 24 inches
  • Width – 4 inches
  • Weight – 150 to 157 grams (depending on adapter used)


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About the author: Brian Mullin

Brian likes to push the limits in all the sports he obsesses in, whether it's mountain biking, whitewater kayaking, 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 articles. Whenever he's not on the bike, he might be found watching MotoGP racing, otherwise look for him out on the trail.

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  • Kilpatrick says:

    “Yevgen Lasman” asked: It used to be Shockblade and X-Blade. Or these are noticeably bigger than previous “versions”?

    These are completely different in construction. The shockblade and X-blade are both still available.

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