Rock Climbing Cam Range Comparisons for Trad Gear

Rather than scouring manufacturer websites to scrutinize cam ranges, we’ve simplified the process for you. For visual purposes, the general overview chart below is not consistent in scale. Greater detail can be found in the brand and model charts underneath. Note that buying links are affiliate links—purchases made from them support our free content.

If you’re new to trad climbing, also take a look at How to Build a Trad Rack. Additional related articles can be found at the end of this post.

This guide was last updated on July 5, 2016

 

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rock climbing cam range comparison chart
Please note: to allow all data to fit, this chart is not consistent in scale; cams have been placed at approximately the center of their manufacturer’s indicated range capacities.

 

Black Diamond Camalot C4 and Camalot Ultralight ranges

Black Diamond’s new Ultralight cams share the same range capacity as their C4s.

C4

  • 13.8-23.4 mm; 0.54-0.92 in (size .3)
  • 15.5-26.7 mm; 0.61-1.05 in (size .4)
  • 19.6-33.5 mm; 0.77-1.32 in (size .5)
  • 23.9-41.2 mm; 0.94-1.62 in (size .75)
  • 30.2-52.1 mm; 1.19-2.05 in (size 1)
  • 37.2-64.9 mm; 1.46-2.55 in (size 2)
  • 50.7-87.9 mm; 2.00-3.46 in (size 3)
  • 66-114.7 mm; 2.60-4.51 in (size 4)
  • 85.4-148.5 mm; 3.36-5.85 in (size 5
  • 114.1-195 mm; 4.50-7.68 in (size 6)

If buying a full set of cams, some of the steepest discounts are on packages through Bentgate, seen here.

 

Wild Country Helium Friend ranges

Helium Friend

  • 14-22.5 mm; 0.55-0.89 in (size 0)
  • 16.6-26.7 mm; 0.65-1.05 in (size .5)
  • 19.7-31.7 mm; 0.78-1.25  in (size 1)
  • 23.6-38 mm; 0.93-1.50 in (size 1.5)
  • 28.4-45.7 mm; 1.12-1.80 in (size 2)
  • 34.4-55.4 mm; 1.35-2.18 in (size 2.5)
  • 41.9-67.5 mm; 1.65-2.66 in (size 3)
  • 51.3-82.7 mm; 2.02-3.25 in (size 3.5)
  • 63.3-101.8 mm; 2.49-4.01 in (size 4)
  • 84-138 mm; 3.31-5.43 in (size 5)
  • 118-194 mm; 4.64-7.64 in (size 6)

 

DMM Dragon Cam ranges

Dragon Cam

  • 13.6-22.5 mm; 0.54-0.89 in (size 00)
  • 16-26.7 mm; 0.63-1.05 in (size 0)
  • 20-33 mm; 0.79-1.30 in (size 1)
  • 24-41 mm; 0.94-1.61 in (size 2)
  • 29-50 mm; 1.14-1.97 in (size 3)
  • 38-64 mm; 1.50-2.52 in (size 4)
  • 50-85 mm; 1.97-3.35 in (size 5)
  • 68-114 mm; 2.68-4.49 in (size 6)

 

Trango Flex Cam ranges

FlexCam

  • 12-18 mm; 0.47-0.71 in (size 1)
  • 16-22 mm; 0.62-0.87 in (size 2)
  • 20-28 mm; 0.79-1.10 in (size 3)
  • 24-35 mm; 0.94-1.38 in (size 4)
  • 27-44 mm; 1.06-1.73 in (size 5)
  • 33-55 mm; 1.30-2.17 in (size 6)
  • 42-69 mm; 1.65-2.72 in (size 7)
  • 52-86 mm; 2.05-3.39 in (size 8)
  • 63-108 mm; 2.48-4.25 in (size 9)

Related: The Essential Guide to Buying Your First Climbing Rope

 

Omega Pacific Link Cam ranges

 

Link Cam

  • 13.5-35 mm; 0.53-1.38 in (size .5)
  • 17.8-44.5 mm; 0.70 – 1.75 in (size .75)
  • 21.1 – 53.3 mm; 0.83 – 2.10 in (size 1)
  • 25.4-64 mm; 0.96 – 2.51 in (size 2)

 

Metolius UL Master Cam ranges

 

Metolius Ultralight Master Cam Ranges

  • 8.5-12 mm; 0.34-0.47 in (size 00)
  • 10-15 mm; 0.39-0.59 in (size 0)
  • 12.5-18 mm; 0.49-0.71 in (size 1)
  • 15.5-22.5 mm; 0.62-0.89 in (size 2)
  • 18.5-26.5 mm; 0.74-1.04 in (size 3)
  • 23.5-33.5 mm; 0.93-1.32 in (size 4)
  • 28.1-39.1 mm; 1.11-1.54 in (size 5)
  • 33.2-46.9 mm; 1.31-1.85 in (size 6)
  • 40.3-57.4 mm; 1.59-2.26 in (size 7)
  • 49-71.1 mm; 1.93-2.80 in (size 8)

 

Black Diamond Camalot X4 ranges

 

X4

  • 8.4-13.8 mm; 0.33-0.54 in (size .1)
  • 9.9-16.5 mm; 0.39-0.65 in (size .2)
  • 12.4-21.2 mm; 0.49-0.83 in (size .3)
  • 15.5-26.6 mm; 0.61-1.05 in (size .4)
  • 19.8-33.7 mm; 0.78-1.33 in (size .5)
  • 24-41.2 mm; 0.94-1.62 in (size .75

 

Fixe CCH Alien ranges

 

Alien

  • 8-14 mm; 0.33-0.55 in (size 1/3)
  • 10-17 mm; 0.39-0.67 in (size 3/8)
  • 13-22 mm; 0.53-0.86 in (size 1/2)
  • 15-25 mm; 0.61-1.00 in (size 3/4)
  • 17-30 mm; 0.68-1.20 in (size 7/8)
  • 20-33 mm; 0.78-1.30 in (size 1)

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