Installation and Removal Guide

Forget what you know. This guide will show you how easily it can be done!

If you have honestly read and put all instructions into practice and still struggling we recommend seeking professional help from a qualified Bicycle Mechanic that has previous experience with Tubeless Tyres. Have them read this guide first.

Preparation

Makes a real difference!

Grab a Beer. Or a Coffee. Or a Juice Box.

Clean the work space, tidy up, clean your rim and tyre.

Note: Bontrager rim strips make the job significantly harder, but not impossible. If you end up struggling and have one of these fitted, consider removing it as the strip is redundant when using our inserts.

To begin, inspect your Tubeless Tape for damage, lack of adhesion to your rim or creases and folds that could lead to an air leak.

If at this point you opt to re-tape your rim do so. There's plenty of guides online that show correct installation technique so have a quick browse before you attempt to re-tape your wheels. 

Inspect your tyre (even if new) for damage to the bead, kinks or tears that will lead to a poor seal. 

If you have an existing set up with tyre fitted and you are only adding an Insert, skim read the fit guide and jump in at the step that best matches your particular set up, (probably step 4).

Step One

Valves

If you've re-taped your rim, pierce a tiny hole with a pin or spoke and carefully push a Rimpact Valve through it. If there is an existing hole go ahead an fit the valve. Place the O-ring and then the Lock Nut on to the valve and thread it down. Snug is the key, finger tight only! By over tightening the Lock Nut you will deform the rubber bung an reduce the chance of a good seal. (Note: the rubber O-ring does not serve an air sealing purpose, it is there to protect the rim from the lock ring. If it deforms, don't worry).

Step Two

Fitting the Tyre

Identify the rotation direction mark on the tyre to ensure the tread pattern matches the wheel orientation. Rotate the tyre to line up the valve with the centre of the logo on the tyre - wouldn't want to be laughed at on the trail!

You can use tyre levers to assist in fitting the tyre providing they are plastic so they don't damage your rims. If the bead is tight, work your way around the already fitted portion of the tyre to push it into the centre of the rim. This part of the rim is lower/smaller in diameter than the outer edge of the rim which will reduce how tight the bead is to fit.

Step 3

Insert Time!

Now that one side of the tyre is fitted it's time to grab your Tyre Insert. Stretch it over the rim whilst tucking it under the tyre. Start at the bottom, working your left had clockwise and you right hand anticlockwise to stretch it over the rim. An extra hand can make this easier if you struggle. Fit the insert fully before proceeding, if it is not totally stretched on to the rim, you'll run in to issues later on.

Step 4

The Hard Part

Now it's time to fit the second bead. Remember that step where you pressed the bead into the centre of the rim to reduce the tension and increase ease of fitting? You'll need to do that again here. Gradually push the bead on to the rims with your thumbs. 

Once you've reached a "10 and 2" position where around a third of the tyre remains off the rim you'll need to do the following:

Starting away from the unfitted portion of tyre, you are aiming to release some tension in the bead. Grab the tyre with both hands whilst standing on the opposite side of the wheel to the side that is still to be fitted. Grab and Roll the tyre AND insert back towards you, then without releasing the tyre, press the bead into the rim and under the Insert. Repeat process all the way around the already fitted portion of the tyre until you reach the unfitted portion. To play it safe repeat this step a few times as quite often there's more room to make the tyre even looser. Continue until you just can't make any more progress. 

Stop! leave 6 inches unfitted unless you have a sealant injector.

Step 5

Sealant of Choice

Pour your sealant of choice into the tyre. We recommend Stan's Sealant but Rimpact will work with all Sealant brands available at the time of writing. Add about 25% more than the manufacturers recommended dosage - there is now an increased surface area the sealant has to contend with.

If you have a sealant injector, Rimpact valves have removable cores and are compatible with injection. Don't worry the Insert won't prevent the sealant from circulating. Feel free to manipulate the insert a little once the sealant is in there in order to ensure good distribution. If there is any back pressure when injecting sealant don't force it! Re-attach the syringe and try again.

Step 6

Inflation

Fit the remaining bead using two tyre levers. Place on in the centre of the unfitted tyre and slide it to the right until it stops. Lever the tyre on but don't remove the lever. Hold it in position whilst doing the same with the second tyre lever on the opposite side of the tyre. 

Slowly work inwards, levering an inch at a time, holding the bead in place and lever the next portion until you meet in the middle and the tyre is fitted.

IMPORTANT! Before inflating grab the tyre with two hands where the valve hole would be and manipulate the insert within to ensure it has not lodged itself tightly onto the valve. If you have a Pro insert this is doubly important as it can reduce the ability to remove air from the tyre once inflated. If you have already inflated and cannot remove the air from the tyre, remove the valve lockring and work the valve loose to deflate before repeating this step.

 

Inflate your fitted tyre. If you have access to a compressor use it. If not, use a compressed air canister like an 'Air Shot' or similar. Don't worry if you don't have one, a good floor pump may suffice but you'll need to pump fast! 

Pump fast! If you have a second or third pair of hands, reduce the volume of the tyre by squeezing it against the rim to aid in quick inflation and thus faster bead seating.

Unfortunately this isn't a tubeless set up guide, so if you aren't able to seat the tubeless set up (don't worry about slow air leaks at this point) then use the various guides found online to trouble shoot. Rimpact Inserts will have no bearing on the quality of a tubeless seal, just like a penny inside a balloon will not effect how air tight it is.

Step 7

Finalise The Set Up

Once inflated shake, spin, bounce and roll the wheel to distribute the sealant into any tiny air leaks. 

Inflating the tyre to the maximum recommended tyre pressures to help seat the tyre correctly. 

Ride around the block, bouncing, hopping, accelerating the tyre to aid in a good seal. 

Leave at high inflation overnight if possible to allow the sealant to block any unnoticed holes. 

Removal Guide

All in the technique!

Ready to remove your Insert? Follow this brief guide:

  • Remove tyre pressure.

  • Lay wheel flat

  • Press on sidewalls above the bead to push bead into centre of the rim. (Repeat all the way around one side of the tyre.)

  • If you can't do the above, stand wheel up, grab tyre with both hands an inch apart and roll the tyre back towards you. This will manipulate the Insert up into the middle of the tyre carcass and allow the tyre bead to fall into the centre of the rim. 

  • Once you've succeeded in either of the last two steps, take two tyre levers, hook them under the now unseated bead about 4-6 inches apart.

  • Lever both at the same time to dismount a decent portion of the tyre. Then push one lever along the rim surface to unhook the rest of the bead.

And you are done!

RIMPACT

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