By Jamie Forsyth — Enduro mountain biker, trail builder volunteer, and someone who spent two years wincing at every rock strike before doing something about it.
The Rock Strike Problem
I ride enduro. Technical descents, rocky trails, the kind of terrain where contact between rocks and frame is not a question of if but when. I love it. What I didn't love was the anxiety that came with it — the wince every time I heard a rock clip the downtube, the post-ride inspection for new chips and scratches, the gradual accumulation of damage on a frame I'd saved up for and cared about.
My bike is a carbon enduro frame. Not the most expensive on the market, but significant enough that I want it to last. Carbon is strong in the right directions but vulnerable to impact damage in ways that aluminium isn't — a rock strike that would leave a cosmetic scratch on alloy can, in the wrong spot, compromise carbon. I'd been riding with that knowledge in the back of my mind for two years.
I'd looked at frame protection before but been put off by options that looked cheap, didn't cover enough of the frame, or used adhesive that left residue when removed. A riding buddy showed up at the trailhead one day with AMS guards on his bike. The Zebra Grey honeycomb pattern looked genuinely good — not like an afterthought, like a design choice. I asked him about it. He said it had been on his bike for a season and hadn't moved, hadn't peeled, and had taken several direct rock strikes without the frame underneath showing any damage. I ordered the full kit that evening.
Why the AMS Full Guard
The full kit was the obvious choice for enduro riding. Partial protection leaves gaps, and rocks don't aim for the protected sections. The All Mountain Style AMS Frame Guard Full in Zebra Grey covers the downtube, chainstays, and other high-impact areas comprehensively. The honeycomb PVC construction is specifically engineered for impact resistance — it absorbs and distributes the energy of a rock strike rather than transmitting it to the frame surface underneath.
The automotive-grade adhesive was the other key specification. I'd had bad experiences with frame protection that used weaker adhesive — it lifts at the edges, collects dirt underneath, and eventually peels. Automotive-grade adhesive is designed for exactly the conditions a mountain bike frame experiences: vibration, moisture, temperature variation, and mechanical stress. It holds.
The universal fit for all mountain bike geometries meant I didn't need to worry about compatibility with my specific frame. The Zebra Grey colourway worked with my bike's colour scheme in a way that solid black wouldn't have — it adds visual interest rather than just covering the frame.
Installation
I spent about an hour on installation — cleaning the frame thoroughly first, then applying each piece carefully, using a heat gun to help the material conform to the curved sections of the frame. The instructions are clear and the process is straightforward if you take your time. The automotive-grade adhesive grips immediately on contact, so positioning matters — I took my time getting each piece right before pressing it down.
The finished result looked exactly as I'd hoped — clean, intentional, like the bike had come from the factory with the guards fitted.
A Full Season of Hard Riding
The frame is unmarked. A full season of enduro riding — rocky descents, rooty trails, several direct rock strikes that I heard and felt — and the carbon frame underneath the guards is in the same condition as when I fitted them. The guards themselves show the marks of those strikes. The frame doesn't. That's exactly what they're supposed to do.
Nothing has lifted or peeled. The automotive-grade adhesive has held through a full season of riding in all conditions — mud, rain, heat, cold, pressure washing after rides. The edges are as flat and secure as they were on installation day. No dirt has worked its way underneath. No lifting at the corners.
My riding is more confident. This is the less tangible but most significant result. I no longer wince at rock strikes. I no longer do the post-ride inspection with dread. I ride the technical sections with the focus on the riding rather than the background anxiety about the frame. That mental shift has made me a better rider on the descents that matter.
Multiple riders have asked about it at the trailhead. The Zebra Grey pattern gets noticed. I've pointed three people to AMS since fitting it. Two have since fitted their own.
The Difference It Made
I ride harder and enjoy it more. The frame protection removed an anxiety I'd been carrying for two years and replaced it with confidence. That's the practical difference. The frame is also in better condition than it would have been without the guards, which protects the resale value and the longevity of the bike. Both outcomes matter. The AMS Frame Guard delivered both.
Would I Recommend It?
To any mountain biker who rides technical terrain and has been carrying the background anxiety of an unprotected frame: yes, without hesitation. The protection is real, the adhesive holds, the aesthetic is genuinely good, and the confidence it gives you on the trail is worth more than the cost of the guard. Fit it before the next ride.
👉 Shop the All Mountain Style AMS Frame Guard Full – Zebra Grey
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Jamie Forsyth is a civil engineer and enduro mountain biker based in Fort William. He rides technical terrain most weekends. His frame is unmarked. He no longer winces at rock strikes. He considers this a significant quality-of-life improvement.
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