TRP's New G-Spec Trail SLC Brake - Eurobike 2018

Jul 8, 2018 at 6:45
by Mike Levy  
Eurobike 2018


It wasn't that long ago that rocking a set of TRP brakes on your high-end mountain bike would have raised a few eyebrows and smartass remarks, but that's changed over the last few years as the brand has been busy debuting new brake after new brake that all seem to work pretty dang well. Of course, signing Aaron Gwin didn't exactly hurt matters, either, with the G-Spec Quadiem ('G' for Gwin, of course) reminding a lot of us, myself included, that there are other options out there.


Eurobike 2018
Eurobike 2018
The reach adjustment is a tool-free dial, and the caliper is the same as found on their Quadiem brake, albeit with smaller pistons.


Now TRP is applying the G-Spec treatment to a new trail-focused, four-piston brake that they've named, appropriately enough, the G-Spec Trail. There are three versions of the new stopper, with the fancy pants SLC model pictured here that gets a carbon lever blade (even though it doesn't look like carbon), and composite and steel hybrid pistons.


Eurobike 2018
Two 14mm pistons and two 16mm pistons should improve modulation even more.


If you recognize the four-piston caliper body, it's because it's nearly the same unit that TRP employs for their Quadiem brake. In fact, externally it is the exact same, but you'll find two 14mm pistons and two 16mm pistons, whereas the Quadiem uses 16mm pistons all around. The idea to combine smaller pistons with larger ones isn't a new, but it's said to provide more modulation that running four large pistons of the same size. I was impressed with the control on tap from the Quadiem, so I can only assume that the new Trail model is even better on that front.

TRP doesn't go crazy with adjustments, so all you'll find is an indexed reach adjustment dial tucked behind the lever.


19 Comments

  • + 14
 That's the ugliest brake lever and housing/clamp assembly I've seen in a long time. Haven't they found the filet feature in Solidworks?
  • + 2
 Thats a veritable feast of organic curves compared to the $1000 trickstuff ones
  • + 1
 I would like to see a screw on cap for a reservoir like you see on some motorcycles, but you'd have to have a bleed port for the air bubble you'd get. Even so, I hate little screws on flat tops.
  • + 8
 I wonder why they would make these when they already have the Slate?

I’m for sure going to pick up a set of the Quadiem G-Specs for my AM bike in the near future, though. They feel fantastic
  • + 1
 I was thinking the same thing that they have the Slate; maybe the sales aren’t there. I’m sure the Quadiem sells better that Gwin is on them. Also, using the same caliper I assume would consolidate manufacturing and help the price point out. Maybe the the Slate will go away. Guess we’ll see.
  • + 1
 I was wondering about this, too. I know people at eurobike won't badmouth the new stuff, but I wanted someone to really mention the difference/benefits over a slate g-spec. I guess the caliper with the cooling fins, but don't know.

I have the quadiem g-specs on my jekyll and love them (even more after replacing pads after a few months). I wanted to swap out the xt 8000 on my following because the feel is too drastic of a difference (so, too, is the reach difference between XLs). Now maybe wait until they closeout the slates (though they are already gone on qbp and bti for sets; still on hawley).
  • + 1
 I have the quadeim non-gspec and highly recommend them. I ride a ton of dh and park so on an enduro bike I have more brake than I need, you can feel more flex than on a bike with a dual crown etc. But I would rather have more brake than I need and not have to rty. I didn't even consider the slate because the reviews put them in the category of shimano xt at best, not glowing reviews about power. This should get you ample power without the massive lever design of the quadium, I think this is a great idea! I would run them,
  • + 4
 so TRP actually went to the trouble of making a brake specifically for riding the trails around Salt Lake City? i don't know about the rest of you, but i'm impressed
  • + 1
 I have the quadeim non-gspec and highly recommend them. I ride a ton of dh and park so on an enduro bike I have more brake than I need, you can feel more flex than on a bike with a dual crown etc. But I would rather have more brake than I need and not have to rty. I didn't even consider the slate because the reviews put them in the category of shimano xt at best, not glowing reviews about power. This should get you ample power without the massive lever design of the quadium, I think this is a great idea! I would run them,
  • + 1
 The finish on the caliper cooling fins just looks awful. This is the floor model and it’s already chipping and fading. Imagine it after a few months of dirt and dust.
  • + 2
 Weight and price would be nice to know...
  • + 1
 CANT WAIT TO TRY IT OUT !!!
  • + 1
 Decent looking brake. Great to see more options coming out!!!
  • - 2
 Wack ass name. TRP isn't even in Salt Lake, they're in Ogden. Bull shit marketing.
  • - 2
 I personally feel the lever pull on the TRP stuff feels very cheap.
  • + 1
 It's an expensive Tektro with 4 pots.... what did you expect?
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