Black Diamond Positron Anodized Carabiner

Black Diamond designed the Positron Anodized Carabiner to bring the anti-snag benefits of a keylock biner to the ‘working class' climber. There simply isn't another keylock biner on the market that can rival the Positron in terms of quality, design, and value. This season the Positron features a solid (non dual-trac) keylock gate, an anodized body…and a lower price. The Positron's keylock nose doesn't snag on pro, ropes, or slings—which translates to easier clips and reduces the chance of open-gate failure. Plus, cleaning overhanging routes is a breeze with the Postiron. The functional shape of the Positron makes it easy to hold, and its bowed back, smooth action, and deep basket add up to make this the most versatile clipping, racking and anchoring biner ever. Bent and straight gate versions available.–Vendor

$6.90

My new workhorse biner
If you're looking for a do-it-all biner, I recommend the Positron. Of course the keylock gate is crucial. While it's not the least expensive biner out there, it's worth the price for sure. Stock up on these.

One tough biner.
I used this biner at my local climbing gym and I like it. With the bent gate I found it much more easy to clip in and out of the rope. Gate action is smooth also.

Training Tips

Heart monitors are useful for knowing when you are in the right zone for your training efforts. If you understand what your maximum heart rate is, you can set up your monitor to beep at you when you exceed the high or low range of your heart rate for the type of workout you are doing.

Cross training gives your body a chance to recover while still exercising. If yesterday has a hard run day up and down hills, then today's bicycle ride gives your aching knees a well deserved break.

Anaeroic threshold is when lactic acid starts to build up in your body as your muscles are not getting the oxygen they require. This threshold is typically expressed as a percentage of your VO2 max - the amount of oxygen per kilogram of weight that a person can use in converting fuel to energy. Elite athletes threshold might be as high as 90% of VO2 max.

Efficient running position allows you to run farther and faster. Keep the heel raise to a minimum, relax your upper body and hands, keep your upper body poised and quiet.