The simple tension seeker (STS) by DMR Bikes should not really be called a chain tensioner , but rather a slack-remover. It's an incredibly simple solution for those looking to convert a bike with vertical dropouts for single speed use. DMR is a UK-based company that specializes in downhill, freeride, and dirt jump chain devices, and the STS reflects this design experience in this burly device. Installation is a 5-minute job (assuming you have already replaced your cassette with a cog, and shortened your chain as much as possible). Simply remove the skewer nut and slide the black aluminum mounting bracket onto the dropout. Then loosely bolt the stainless steel arm to the bracket and the derailleur hanger with two 5mm bolts. Replace the skewer nut. Rotate the cranks until the chain is at its tightest. (Very few chainrings and cogs are perfectly round.) Lift up on the arm so that the red pulley pushes the chain upward, removing the slack, and tighten the two 5mm bolts. That...
It looks like there are some of the same cyclists posing with different scenarios, which leads me to assume this is a staged video and therefore in accurate of the reality. I wouldn't call the bike box dangerous if it is a staged video!
ReplyDeleteI believe the point of the video is to show the instances where this particular bike box application is not the most desirable. If changes are made then I think it would be more usable. The city needs to provide some education to the use of the bike box.
ReplyDeleteIve never had a problem at this location. I'm not quite sure why you wasted your time with the filming. You should have been riding. It looked beautiful.
ReplyDeleteAs a blogger it disappoints me that people won't put a name on their comments. But I digress... It was a beautiful day when the video was taken. I WAS riding my bicycle, somwhere. Alas, I did not shoot the video.
ReplyDeleteA friend of mine, Tricia Kovacs, who is a certified LAB cycling instructor, shot the video to bring attention to the possible situations that make it dangerous. I value her commitment to Columbus' cycling community and her opinion on matters as such.
I am happy to hear that you do not experience any problems at the intersection. I still stand firm that the city needs to provide education for this type of bicycle lane/signal system so that people know what to expect.