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Black Diamond Camalot Z4


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  • One Color, #0.3
  • One Color, #0.5
  • One Color, #0.75

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Camalot Z4

Black Diamond continues to lead the charge on innovating camming devices. First there was the original Camalot, which still continues to be regarded as the gold standard of camming devices everywhere, and then they started lightening things up with the C3, X4, and current Ultralight models. Now, the Camalot Z4 replaces the X4 as Black Diamond's most technically advanced camming device specialized for smaller cracks like the splitters in Indian Creek, or even if you're going light and fast in the Bugaboos. Black Diamond designed the Z4 range of Camalots with BD's top trad athletes to ensure everything any climber could ever want in a cam. Finally, climbers can now squeeze a single-stemmed camming device without the stem bending over, and not just that, every different size has the same flex for a consistent performance. The heads are narrower than previous Camalots as well, and they're easier to place and clean in tighter constrictions. Black Diamond sandblasted the lobes for better holding power, and added a new Dynex sling with a unique colorway that's easier to pick out in a rack full of older Camalots.
  • Another innovation to Black Diamond's best-selling Camalots
  • RigidFlex stem doesn't bend under tension while being retracted
  • OmniFlex construction ensures uniform flexes across all sizes
  • Narrower heads allow for tighter constrictions in smaller placements
  • Sandblasted lobes increase holding power
  • Dynex sling is slim, durable, and comes in unique colorways
  • Item #BLDZ97M

Placement Range
[0] 7.5 - 11.8mm [0.1] 8.8 - 13.8mm [0.2] [10.4 - 16.3mm [0.3] 12.4 - 22.6mm [0.4] 15.3 - 27.7mm [0.5] 18.8 - 33.9mm [0.75] 23.1 42.1mm- 42.1mm
[0] 5kN [0.1] 5kN [0.2] 6kN [0.3] 8kN [0.4] 9kN [0.5] 10kN [0.75] 10kN
Cam Lobes
Claimed Weight
[0] 1.51oz [0.1] 1.58oz [0.2] 1.69oz [0.3] 1.9oz [0.4] 2.15oz [0.5] 2.71oz [0.75] 3.28oz
Recommended Use
Manufacturer Warranty
1 year

Tech Specs

What do you think about this product?


>Rating: 5

Good Cams

I've used it several times

The .1 Z4 is ridiculously light and also caught my 30ft+ whipper today in Little Cottonwood. Holy smokes, the gear works!

>Rating: 5

.75 (green) Z4

I've used it several times

I picked up the green .75 Z4 as the fourth piece of my newly blossoming rack. I was recommended the Z4 over the C4 from staff at my local climbing gym due to its narrower profile, lighter weight, and that it was only $5 more. The action is far from sticky, but the stem can be a little bendy if that makes any sense. I have only placed this piece once since I am still a new trad climber but I felt confident placing it and it placed and held really well. Over all would recommend, I unfortunately don't know how it compares to UL Masters, Aliens, or Totems but initial first impressions are solid.


First impressions and comparisons

Interesting and promising design- big improvements made over previous BD cams. Much lighter and narrower head width than X4s. In fact, the .4 Z4 is the same weight as the Ultralight .4 with a much smaller head width (see photo), cheaper price, and it’s rated 1kn more- basically rendering the UL .4 obsolete. The head width and expansion range is basically the same as the .8 (yellow) Totem, although the Totem likely has it beat in effective expansion range but is also 20 grams heavier. Interestingly the Z4 has a slightly different lobe shape (more squared at the back) than previous BD cams. Another difference is the distance from trigger to head is slightly longer than previous BD cams (it’s about the same as a Totem) allowing for a little more reach for those hard to get to placements. All things considered, a well thought out design that seemed to try to incorporate some of the Totem advantages (mainly head width) with the time tested BD design and with a couple new innovations thrown in.


Thanks, Joshua! This was super helpful!

Thx Joshua. That is great feedback and very helpful.


Whats the main difference between the C4 line and the Z4 line? Thx