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Idler Kit: Trice T Over/Under Idler Kit
Notes: the chain rerouting done by this kit reduces the ground clearance of the trike by about 2". If this is a concern to you, we recommend you get our Trice Power Idler Kit, which mounts to the original idler mount. Also, since the vertical position of the power side chainline is different, you have to be aware of potential effects on the suspension. To reduce "pogo", or pedalling induced suspension bobbing, it's important the power side of the chain is nearly in line with the rear suspension pivot. If the chain goes too high or too low, pedalling will pull the rear swingarm in and make the trike bob up and down. Since the vertical position of the chain relative to the pivot depends on a number of factors, we want to be sure that people understand how to know if the chainline is right or not. Basically, the clamp on idler mount moves the power side chainline down. This means that you need to be able to adjust your suspension so the rear swingarm swings up more, moving the pivot down to meet the chainline. The amount of pivot movement required, assuming you already have the suspension adjusted correctly, is about 1" to 1.5". To check your suspension adjustment, shift into the middle cog in back. Sit on the trike, put gentle pressure on the cranks, and have someone sight horizontally into the pivot. The chain should ideally be within 1/2" up or down from the pivot. If you can then adjust the suspension so the chain is 1" to 1.5" too high, you can use our idler kit without any pogo. If you have any questions, please contact us. We'll be happy to walk through the whole process with you.
Share your comments below: From a post on BROL: "I have converted my ICE TNT from its original suspended 20" rear section to one of the new 2010 hard tail 20" rear sections. I've found that the large hinge plate that makes the new rear sections able to fold the trike in half sticks out enough to rub the chain when it is on any of the inner 7 cogs of the nine speed freewheel cluster." Does this mean that this idler won't work with the new Adventure? And, if so, is there an alternative that you would recommend? Thanks. Posted by Steve 04/24/2010 05:42:34 AM I would recommend an idler clamp to reposition the idler.
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