Black Diamond O1/O2/O3 Cartridges

Priced: $48.71 - $74.95 Rated:   - 4 stars out of 5 by 7 reviews.
Black Diamond O1/O2/O3 Cartridges
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Color: MidStiff
Available Colors: $48.71
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Regularly: $64.95
Mountain Gear $54.97
21% off
Regularly: $74.95 $74.95
Gearx $74.95
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Black Diamond O1/O2/O3 Cartridges -
Customize your Black Diamond telemark binding's flex with the 01/02/03 Cartridges. These compression cartridges are available in FreeFlex for easy touring, MidStiff for all-around backcountry use, and Ridiculously Stiff for aggressive freeriding.


  • Ridiculously Stiff Cartidges - Designed for power based skiers with big boots - one size
  • With O1 Binding, standard size fits boot sole lengths 294-360 mm (fits BD boots 25 and up)


  • FreeFlex Cartidges - An active, but soft feel. Two sizes: standard and small
  • MidStiff Cartidges - A stiffer system when paired with the O1 or O2, but worth it on every turn. Two sizes: standard and small
Mountain Gear
Replace the cartridges on your O1, O2, or O3 bindings with the O1 / O2 / O3 Cartridge Set from Black Diamond.

Optimize your binding stiffness for your tele skiing style. Cartridges include an easy-to-read tension indicator.
For O1 Binding: Standard fits boot sole lengths 294-360 mm (fits BD boots 25 and up) Small fits boot sole lengths 265-294 mm (fits BD boots 24.5 and below)
For O2 Binding: Standard fits boot sole lengths over 305 mm (fits BD boots 26 and up) Small fits boot sole lengths 280-305 mm (fits BD boots 24-25.5)
For O3 Binding: One size (standard) cartridge fits boot sole lengths 280-350 mm (fits BD boots 24-30.5)ld in sets of four.


Optimize your binding stiffness for your tele skiing style. Cartridges include an easy-to-read tension indicator. Sold in sets of four.

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Black Diamond

Black Diamond O1/O2/O3 Cartridges Reviews:

Positive Reviews:

I used mid stiff in 01's for a while and soon upgraded to rid stiffs, big difference, especially if you play around with the pre-load ie. tighten the binding to your boot more. Rid stiff cartridges ski similar to hammerheads in pos 4, and axles in pos 2, its a different feel, but certainly still capable of great things. Sometimes the cartridges loosen up on their own, try using plumbers tape, and even just running duct tape around both the tubes to keep them from getting loose. I've had the duct tape fix last over a year before. Another hint, adjust them BEFORE heading up to the hill, sometimes the threads get wet and freeze or for whatever random reason they won't adjust when cold and you're SOL till they get warm again.

Sam Hansen at on 12/12/2010

I had size regular freeflex for learning and used them for 2 seasons. I decided I needed more tip control and snap so I swapped out the frees for midflex and saw a dramatic difference in my control in powder. Also, I am on T2X's size 26.0, which are right on the cusp or either regular or short. I ordered regular, but sent shorts(!). I decided to put them on anyway. Now I essentially have a makeshift "medium": short cartridges with regular wires. The set up is much better for me as I now can tighten and loosen the cartridges whereas before I couldn't tighten them any further. Sweet bindings!

William C Clark at on 02/22/2011

These cartridges rock! If you thought your skis were too soft then these are for you. If you have the Scarpa T-race or Crispi XR these will give you even more power transmission to the snow. I borrowed a friends skis last year with these and they felt sooo good in the pow and crud, my skis seemed so soft, now I can take them anywhere. Stiffer is better like Wider is better.

Jason Brown at on 02/08/2007

Hey, I ski Scarpa T-Races, am 6'2" and 180 lbs and moved up from the MidStiff cartridges to the RidStiff cartridges. It was a good decision. The RidStiffs allow me to make more powerful turns at higher speeds, opening up a wider range of terrain for me to ski. Be careful when using them with super-burly boots however, the O1s might rip out of your skis, as has happened to me twice...

Alexander Klivecka at on 04/14/2009

Just put some of the Rid stiff's on my o2's super fun for inbound shredding. Quicker turns easy to install. If your looking for an upgrade that will keep you stable at high speeds give them a try you wont be disappointed.

Javas at on 04/04/2010

Wow, what a difference, swapped out long cartridges for these short ones as the long ones kept traveling on me and releasing me at inopportune moments. Not only do I stay in the binding but man they have redefined STIFF! W00t!!

Karen Cegalis at on 02/25/2010

Neutral Reviews:

These cartridges have increase my ski performance. I'm able to make quicker tighter turns. I'm still needing to adjust them almost once a day

sbo100196418 at on 03/24/2010