Sustaining your bike’s chain must be a daily behavior of each rider. The overall rule of thumb is that that you must clear, lubricate, and test the chain pressure each 400 – 600 miles (650 – 900 km). For those who’re a daily commuter that might be as typically as as soon as a month. Sustaining your chain correctly will prolong its lifespan, forestall extreme put on of your sprockets and can assist maintain your bike secure. An excessively free or tight, rusty, dry chain on a bike is a recipe for catastrophe.
Cleansing and lubricating a bike chain is a straightforward course of. Yow will discover directions on the way to do it printed on the packaging of most high quality chain lubricants. It’s simply as simple as washing and waxing your paintwork so there’s actually no excuse to not do it your self. Adjusting the chain, nonetheless, is a barely extra sophisticated course of that may appear formidable to the uninitiated. The excellent news is there’s a simple answer and it’s known as the Tru-Rigidity Chain Monkey.
What’s a Chain Monkey?
The Tru-Rigidity Chain Monkey is a straightforward but good little machine that takes the guesswork out of adjusting a bike chain. Your bike’s chain ought to have slack in it. The precise quantity of slack is specified by the bike’s producer as a spread i.e. 20 – 30mm. The Chain Monkey is designed that can assist you set that vary exactly with out the trial-and-error you encounter when not utilizing the instrument.
Tru-Rigidity additionally sells a product known as the Laser Monkey. Used together with the Chain Monkey it lets you align your bike’s wheel in order that the chain (or belt) is working true. Along with your chain’s pressure set accurately and working true your chain and sprockets will last more and their total efficiency is improved.
Earlier than adjusting your bike chain
The method for adjusting the chain on a bike will fluctuate from mannequin to mannequin. There are several types of axle chain tensioners and alternative ways the bike must be sitting through the course of (wheel on or off the bottom). So earlier than you start remember to seek the advice of your workshop guide for particular directions. On our check bike, a Kawasaki Z900RS Cafe, the chain slack specs are listed on the swingarm and the adjustment course of is printed within the consumer guide.
PLEASE NOTE: It’s all the time vital to keep in mind that if carried out incorrectly upkeep duties like this might injury your bike or render it harmful to experience. In case you are involved you can’t carry out this activity competently ask a educated mechanic to do it for you.
The way to use the Tru-Rigidity Chain Monkey
Step one in adjusting any chain is to loosen your bike’s axle. Carry out this step as per your workshop guide.
As soon as the axle and chain are free you will have to measure your chain hyperlink measurement. Utilizing a ruler it’s best to be capable to decide whether or not the chain hyperlinks fall between both 12-13mm or 14-17mm in width (see picture above). The Z900RS was 13mm and the proper slack in keeping with the guide is between 30 – 40mm. Utilizing the equipped chart within the Chain Monkey directions I may see that I wanted to make use of setting 2 on the instrument.
To set the Chain Monkey accurately you screw the bolt in its centre till the bottom of the domed nut is aligned with the proper setting quantity. When it’s positioned accurately transfer the rubber stopper on the decrease half of the bolt as much as seat it towards the physique of the Chain monkey. Now unwind the bolt and hook it onto your chain mid-way between the entrance and rear sprockets. Place the dome nut so it sits within the centre of a hyperlink and screw the bolt up till the rubber grommet seats on the base of the Chain Monkey. This can kind a kink within the chain which equates to the scale of the slack required.
Now with out eradicating the Chain Monkey pull the rear wheel again till the chain is taught i.e. no slack in any respect. The axle can then be tightened as per your workshop guide. As soon as that’s carried out merely take away the Chain Monkey and your chain slack can be set accurately. Sure, it’s that simple!
The way to use the Tru-Rigidity Laser Monkey
The Tru-Rigidity Laser Monkey is used through the closing step of adjusting your chain. That is once you regulate the angle of your axle to make sure the chain is working true. The method for doing that is defined in your bike’s workshop guide. The problem with the standard strategies nonetheless is that they’re not a precise science.
Typically, wheel alignment is judged utilizing a set of markers on the swingarm. For those who don’t have a bike bench to work on getting the markers set to equivalent positions might be tough. That is the place the Laser Monkey is available in.
To make use of the Laser Monkey you’ll first must take away your chain guard. Subsequent, clamp the Laser Monkey to the physique of your rear sprocket (not the chain) on the prime of the sprocket. Activate the purple dot laser and level it on the closest chain hyperlink. Now regulate the Laser Monkey in order that the purple dot sits within the centre of the chain.
Now tilt the laser up till the purple dot sits on the furthest chain hyperlink you may see. If the dot isn’t sitting on the centre of that hyperlink regulate the axle angle in keeping with the workshop guide directions. As soon as the dot is centred decrease and lift the laser once more to test it’s nonetheless aligned centrally at each factors of the chain. When it’s you may tighten the axle in keeping with your workshop guide specs.
Tru-Rigidity Chain Monkey and Laser Monkey closing verdict
Having carried out my very own bike chain upkeep for years now these merchandise are effectively value having for two causes. Firstly they make the complete course of a lot quicker. Utilizing the True-Rigidity instruments removes all the measuring, testing and remeasuring carried out whereas utilizing the usual chain adjustment course of.
Secondly, though quite simple in its design, the Laser Monkey is an extremely exact instrument. It is because the alignment is ready over a distance of round 1 meter which provides a way more correct consequence than utilizing the notches on the swingarm. Earlier than adjusting my chain I used the Laser Monkey to see how effectively it was already aligned. To my shock, the purple dot was about 3-4mm off-centre. That won’t sound like a lot, however it’s sufficient to trigger pointless sprocket put on. I now know that my axle and chain are aligned lifeless straight.
Would I like to recommend this product? Sure. The Tru-Rigidity Chain Monkey and Laser Monkey take the guesswork out of what’s primarily a crucial upkeep activity. I don’t typically see merchandise that I’d label as revolutionary, however these intelligent upkeep instruments positively match the invoice
Obtainable from: Tru-Tension