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PRO Tharsis Trail Stem
The Good

Gives one of the cleanest, easiest Di2 battery mounting options

The Bad

BTR expander not secure enough to stand up to all-mountain or enduro use

Overall Review
I used this stem in conjunction with a PRO Tharsis Trail Di2 handlebar and while they're both super attractive and light, and I have no complaints about the bar, the stem being used as intended with a Di2 battery in the steerer tube doesn't stand up to the rigors of aggressive all-mountain or enduro riding. No matter how tight the stem bolts were tightened, and even with the addition of anti-slip paste, I was unable to prevent the stem from slipping up the steerer tube causing noticeable loosening of the headset. Eventually I sold the Di2 kit and am still using this stem and handlebar with a...
Posted by FuckingSteve on 2/2/2019 10:07am
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PRO Bike Display Stand
The Good

Great for lighter bikes and Okay for heavier ones, Anti-scratch rubber, Multiple sizes for best fit, Unbeatable price at JensonUSA

The Bad

Can be unstable if installed improperly, can damage components like rotors, awkward shape for storage

Overall Review
We use these stands at the bike shop I work at to hold customer's bikes and showroom bikes for short periods of time. For the most part, they get the job done and are aconvenientway to hold the bike as we explain components and services to customers. And at the price, you really can't beat it; Jensonusa.com currently has them on sale. The stand also comes in two different sizes, silver for smaller () bikes and black for larger (> 27.5" ) ones. Issues: I only have two major complaints about this stand. First, this bike stand can be very unstable if the tire isn't sitting properly. I know this...
Posted by dirtworks911 on 12/30/2015 10:25am
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PRO Koryak Stem
The Good

Light weight, good rise angle

The Bad

Handle bar bolts loosen over time.

Overall Review
Got this stem for a really good deal and was looking for a 31.8mm stem with a decent reach. I picked up the Koryak stem in a 80mm length. The stem went on easy enough and everything bolted up well. Followed all the torque recommendations prior to riding; handlebar bolts 4NM and steerer tube bolts 11NM. First ride everything went well. Second ride was good too. Prior to the third ride gave my bike a once over and checked bolts and found the front handlebar bolts of the stem really loose. I torqued them back down and after a couple of rides I found the same problem with the bolts loosening up. I...
Posted by awol12 on 5/30/2013 3:17pm
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