Are you an avid bicycle owner who enjoys exploring the nice outside? Think about embarking on an thrilling journey along with your trusty electrical bike, solely to come across an surprising impediment – a flat rear tire. Do not let a minor setback spoil your journey! On this article, we’ll information you thru a complete step-by-step course of on change the rear tube in your electrical bike swiftly and effectively, empowering you to get again on the street very quickly.
Earlier than we dive into the hands-on directions, let’s collect the important instruments and supplies you may want for this job. Be sure to have a spare inside tube that’s suitable with the size of your rear tire, in addition to tire levers to help in eradicating the outdated tube and putting in the brand new one. Moreover, a ground pump or transportable hand pump can be obligatory for inflating the brand new tube. When you encounter any difficulties alongside the best way, do not hesitate to seek the advice of the person handbook in your particular electrical bike mannequin for additional steerage.
Now, let’s start the method of adjusting the rear tube. Firstly, find the rear wheel and establish the valve stem. Depress the valve core utilizing a small software or your fingernail to launch any remaining air strain within the tire. Subsequent, use the tire levers to rigorously pry the tire bead away from the rim, working your means across the complete circumference. Be cautious to not injury the tire or rim throughout this step. As soon as the bead is free, fully take away the tire from the wheel. Find and punctiliously disconnect {the electrical} cable that powers the rear hub motor. Then, use the tire levers to detach the outdated inside tube from the tire and discard it responsibly. Now, it is time to set up the brand new inside tube.
Instruments and Supplies Required
To alter the rear tube on a Lelectric Expedition, you will want the next instruments and supplies:
Vital Instruments
**1. Tire levers**: Tire levers are skinny, flat instruments which can be used to pry the tire bead off the rim. You will need to have a pair of tire levers which can be the right measurement in your tires. If the tire levers are too small, they will be unable to pry the tire bead off the rim. If the tire levers are too massive, they may injury the tire or the rim.
**2. Patch package**: A patch package is used to restore a flat tire. The patch package ought to embrace a wide range of patches in numerous sizes, in addition to a tube of rubber cement.
**3. New tube**: A brand new tube is required to switch the flat tube.
**4. Wheel truing stand**: A wheel truing stand is used to carry the wheel when you are truing it. Truing the wheel ensures that the wheel is operating easily and that the tire is correctly seated on the rim.
**5. Chain whip**: A series whip is used to take away the cassette from the rear wheel.
**6. Allen wrench**: An Allen wrench is used to take away the bolts that maintain the brake caliper to the body.
**7. 15mm open-end wrench**: A 15mm open-end wrench is used to take away the axle nuts.
**8. 17mm cone wrench**: A 17mm cone wrench is used to regulate the hub bearings.
**9. Spoke wrench**: A spoke wrench is used to regulate the spoke pressure.
Non-obligatory Instruments
**1. Torx wrench**: A Torx wrench is used to take away the bolts that maintain the motor to the body.
**2. Pedal wrench**: A pedal wrench is used to take away the pedals.
**3. Headset wrench**: A headset wrench is used to take away the headset bearings.
**4. Backside bracket wrench**: A backside bracket wrench is used to take away the underside bracket.
**5. Derailleur hanger alignment software**: A derailleur hanger alignment software is used to align the derailleur hanger.
Security Precautions
To make sure a protected and profitable rear tube alternative in your Lelectric Expedition e-bike, observe the next precautions:
- Park your e-bike on a secure and degree floor.
- Earlier than touching any electrical elements, disconnect the battery by turning the bike off and eradicating the battery key.
- Put on acceptable security gear, corresponding to gloves and security glasses, to guard your self from sharp objects and doable particles.
- Completely clear the world the place you may be working to take away any grime or particles that would intervene with the restore course of.
- Guarantee you might have the required instruments and spare elements, together with a tube, tire levers, a patch package, and a ground pump.
Disconnecting the Battery
To soundly disconnect the battery, comply with these steps:
- Find the battery key on the underside of the bike body.
- Flip the important thing to the “off” place.
- Elevate the battery deal with and slide the battery out of the body.
Notice: Don’t try and work on the rear tube whereas the battery is linked, as this presents a big electrical hazard.
Step 1: Eradicating the Rear Wheel
Begin by putting the bike the other way up on a flat floor. Find the quick-release lever on the aspect of the rear wheel, normally close to the axle. Open the lever by pushing it down and pulling it again towards the wheel. It will loosen the strain on the chain.
Subsequent, seize the rear wheel with each palms and pull it straight out of the body. Watch out to not injury the chain or the derailleur when doing this. As soon as the wheel is out, you possibly can place it on the bottom or a workstand.
Now, you will want to take away the tire from the rim. To do that, use a tire lever to pry the tire bead away from the rim. Begin at one level on the tire and work your means across the complete circumference. As soon as the tire bead is free from the rim, you possibly can pull the tire off of the wheel. Watch out to not injury the tube when doing this.
With the tire eliminated, now you can entry the tube. Examine the tube for any holes or tears. When you discover a gap, you possibly can both patch it or exchange the tube. To patch a gap, use a patch package and comply with the directions offered. If you’re changing the tube, merely pull the outdated tube out of the tire and insert the brand new tube into the tire.
As soon as the brand new tube is in place, you can begin placing the tire again on the rim. Begin by lining up the tire bead with the rim. Then, use your tire levers to pry the tire bead again onto the rim. Work your means across the complete circumference of the tire till the bead is totally seated on the rim.
Now, you possibly can inflate the tire to the really helpful strain. As soon as the tire is inflated, you possibly can reinstall the wheel into the body. Merely align the wheel with the body and push it into place. Shut the quick-release lever to safe the wheel.
Step 2: Eradicating the Cassette
As soon as the wheel is eliminated, you possibly can proceed to take away the cassette. Observe these steps:
1. Clear the cassette
Use a sequence cleaner and a brush to take away any grime or grime from the cassette. It will make it simpler to take away the lockring.
2. Determine the lockring
The lockring is a big ring that holds the cassette in place. It’s normally product of aluminum or metal and has notches across the circumference.
3. Set up the cassette software
Insert the cassette software into the notches on the lockring. The software ought to match snugly and shouldn’t transfer round.
4. Take away the lockring
Flip the cassette software counterclockwise to loosen the lockring. The lockring could also be tight, so chances are you’ll want to make use of a whole lot of pressure. Watch out to not strip the notches on the lockring.
| Software | Description |
|---|---|
| Chain cleaner | Removes grime and dirt from the chain |
| Brush | Helps take away grime and dirt from the cassette |
| Cassette software | Inserts into the notches on the lockring to take away it |
Step 3: Deflating and Eradicating the Outdated Tube
5. Deflating the Internal Tube
To deflate the inside tube, find the valve stem and press down on the valve core along with your thumb or a tire lever to launch the air. Proceed urgent till the tube is totally deflated. Keep away from utilizing sharp objects, as these might puncture the tube.
If the valve stem is caught or tough to press, you need to use a pair of pliers or a particular valve core software to loosen it. Gently rotate the valve core counterclockwise till it loosens. Don’t overtighten the valve core after you have completed deflating the tube.
To make sure full deflation, flip the wheel a number of instances to distribute the air evenly all through the tube. You will need to totally deflate the tube earlier than eradicating it, as any remaining air can forestall you from correctly eradicating the tire from the rim.
As soon as the tube is totally deflated, it ought to collapse and turn into limp. It will make it simpler to deal with and take away from the tire.
Step 4: Getting ready the New Tube
Now that you have eliminated the outdated tube, it is time to put together the brand new one. This entails making certain that the tube is inflated correctly and has the correct quantity of sealant.
Inflating the New Tube
To inflate the brand new tube, you need to use a ground pump, hand pump, or CO2 inflator. When you’re utilizing a ground pump, connect the hose to the valve on the tube and begin pumping. For hand pumps and CO2 inflators, comply with the directions offered by the producer.
Checking the Strain
As soon as the tube is inflated, use a strain gauge to test the strain. The really helpful strain vary for Lelectric Expedition e-bikes is 45-50 PSI (3.1-3.4 bar). If the strain is simply too low, add extra air till it reaches the specified vary. If the strain is simply too excessive, launch some air till it is throughout the specified vary.
Including Sealant
Sealant helps forestall punctures by filling small holes within the tube. So as to add sealant to the brand new tube, take away the valve core and inject the sealant into the tube utilizing a syringe. The really helpful quantity of sealant is 1-2 ounces (30-60 ml).
| Product | Really helpful Amount |
|---|---|
| Stan’s NoTubes Tire Sealant | 1 ounce (30 ml) |
| Slime Tube Sealant | 2 ounces (60 ml) |
As soon as the sealant has been added, reattach the valve core and shake the tube vigorously to distribute the sealant evenly.
Step 5: Putting in the New Tube
With the rim strip in place and the outdated tube eliminated, it is time to set up the brand new tube. Rigorously unroll the brand new tube and examine it for any punctures or injury. When you discover any, exchange the tube with a brand new one.
After you have a brand new, undamaged tube, comply with the steps under:
7. Insert the New Tube into the Rim
Insert one finish of the brand new tube into the rim on the valve gap. Use your thumbs to softly push the tube into the rim till it’s fully seated. Watch out to not pinch the tube as you might be pushing it in.
|
• Use child powder to lubricate the rim and tube. |
• It will make it simpler to insert the tube and assist forestall punctures. |
|
• Begin inserting the tube on the valve gap. |
• It will assist be certain that the tube is correctly aligned. |
|
• Use your thumbs to softly push the tube into the rim. |
• Watch out to not pinch the tube. |
As soon as the tube is totally seated within the rim, inflate it to a low strain (about 20 psi) and test for any leaks. When you discover any leaks, use soapy water to find the puncture and patch it based on the producer’s directions.
Step 6: Inflating the Tube
Now that the tube is securely in place, it is time to inflate it. This step is essential to make sure the bike’s stability and efficiency.
Utilizing a Flooring Pump:
- Connect the ground pump to the presta valve on the tube.
- Start pumping slowly and steadily.
- Monitor the strain utilizing the gauge on the pump.
- Inflate the tube to the really helpful strain indicated on the sidewall of the tire.
Utilizing a CO2 Inflator:
- Connect the CO2 cartridge to the inflator.
- Join the inflator to the presta valve.
- Open the valve on the inflator and permit the CO2 to fill the tube.
- Inflate the tube to the really helpful strain indicated on the sidewall of the tire.
Notice:
- Overinflating the tube may cause it to burst or injury the rim.
- Underinflating the tube can compromise the bike’s dealing with and puncture resistance.
| Strain Vary (PSI) | Tire Width (mm) |
|---|---|
| 60-80 | 1.5-2.0 |
| 80-100 | 2.2-2.4 |
| 100-120 | 2.6-3.0 |
Step 7: Reinstalling the Cassette
With the brand new tube put in, now you can reinstall the cassette. Here is an in depth information for this step:
7.1: Cleansing the Cassette and Freehub Physique
Earlier than you reinstall the cassette, clear each the cassette and the freehub physique utilizing a brush and degreaser. This ensures that there is no grime or particles that would trigger shifting issues.
7.2: Making use of Grease
Apply a small quantity of grease to the splines of the freehub physique. It will assist forestall the cassette from seizing.
7.3: Aligning the Cassette
Align the cassette with the splines on the freehub physique. The most important cog on the cassette will align with a hoop on the freehub physique, which signifies the right beginning place.
7.4: Tightening the Lockring
Screw on the lockring by hand till it is comfortable. Then, use a sequence whip and a cassette lockring software to tighten it additional. Purpose for a torque of round 40 Nm.
7.5: Repositioning the Chain
Reposition the chain on the smallest cog of the cassette and the center chainring of the crankset.
7.6: Checking the Shifting
Check the shifting by biking by means of all of the gears. Be certain that the chain strikes easily and with none points.
7.7: Wheel Mounting
Remount the wheel onto the bike and tighten the axle bolts to the really helpful torque.
7.8: Brake Pad Adjustment
Test and regulate the brake pads if obligatory to make sure correct braking.
7.9: Ultimate Inspection
Completely examine the bike, together with the newly put in tube and cassette. Test for any free bolts, frayed cables, or different potential points.
Step 8: Reinstalling the Rear Wheel
As soon as the brand new tube and tire are in place, it is time to reinstall the rear wheel. To do that, first elevate the rear of the bike up by the seatpost. Then, align the wheel with the dropout slots on the body and insert the axle. Safe the axle with the nuts, however do not tighten all of them the best way but.
10. Tightening the Axle Nuts
This can be a crucial step, so pay shut consideration. The axle nuts needs to be tightened evenly and to the right torque. Overtightening can injury the threads or the axle, whereas undertightening may cause the wheel to return free.
To tighten the axle nuts correctly, comply with these steps:
- Use a torque wrench to tighten the left axle nut to the required torque, which is often 15-20 Nm (11-15 ft-lbs).
- Tighten the best axle nut by hand till it’s comfortable towards the body. Don’t overtighten.
- Test the wheel for play by grabbing it on the prime and backside and making an attempt to rock it forwards and backwards. There needs to be no play.
Here is a useful desk summarizing the steps for reinstalling the rear wheel:
| Step | Description |
|---|---|
| 1 | Elevate the rear of the bike up by the seatpost. |
| 2 | Align the wheel with the dropout slots on the body and insert the axle. |
| 3 | Safe the axle with the nuts, however do not tighten all of them the best way but. |
| 4 | Tighten the left axle nut to the required torque utilizing a torque wrench. |
| 5 | Tighten the best axle nut by hand till it’s comfortable towards the body. |
| 6 | Test the wheel for play by grabbing it on the prime and backside and making an attempt to rock it forwards and backwards. |
How you can Change the Rear Tube on a Lelectric Expedition
Altering a rear tube on a Lelectric Expedition is a comparatively easy course of that may be accomplished in a couple of steps. Here is a step-by-step information that will help you change the rear tube in your Lelectric Expedition:
- Collect your instruments. You will want a set of tire levers, a brand new inside tube, and a patch package.
- Unfold the bike. Open the clasp and pull the deal with to open the bike.
- Take away the rear wheel. Use a 15mm wrench to loosen the axle nuts on either side of the rear wheel. As soon as the axle nuts are free, you possibly can pull the rear wheel straight again to take away it from the bike.
- Deflate the tire. Use a valve core software to take away the valve core and permit the tire to deflate.
- Take away the tire from the rim. Use your tire levers to rigorously pry the tire off the rim. Watch out to not pinch the tube.
- Exchange the inside tube. Insert the brand new inside tube into the tire and inflate it barely. It will assist to maintain the tube in place when you are placing the tire again on the rim.
- Reinstall the tire on the rim. Use your tire levers to rigorously pry the tire again onto the rim. Make it possible for the tire is seated correctly on the rim.
- Inflate the tire. Use a pump to inflate the tire to the really helpful strain. It will fluctuate relying on the dimensions of the tire.
- Reinstall the rear wheel. Insert the rear wheel into the bike and tighten the axle nuts on either side.
Folks Additionally Ask
How usually ought to I modify the rear tube on my Lelectric Expedition?
It’s best to change the rear tube in your Lelectric Expedition at any time when it will get a puncture. It’s also possible to change the tube whether it is outdated and worn out.
What are the signs of a flat rear tube?
The signs of a flat rear tube embrace:
- The bike will really feel sluggish if you end up pedaling.
- The rear tire can be flat or low on air.
- Chances are you’ll hear a hissing noise coming from the rear tire.
Can I modify the rear tube on my Lelectric Expedition myself?
Sure, you possibly can change the rear tube in your Lelectric Expedition your self. Nonetheless, in case you are not snug doing so, you possibly can take your bike to a motorbike store and have them change the tube for you.
