Here are some maintenance suggestions for keeping your Centauri II in top shape!

<h3 dir="ltr" id="isPasted">Keeping&#xA0;Your Vvolt Ebike in Top Shape</h3>Congratulations on choosing a low-maintenance Vvolt Centauri II! But remember, &quot;low maintenance&quot; doesn&apos;t mean &quot;no maintenance.&quot; Bikes experience vibrations, components loosen over time, and regular care ensures smooth, hassle-free rides. Let&apos;s break down essential maintenance steps to keep your ebike in peak condition.<hr><h3 dir="ltr" id="1-keep-it-clean">1. Keep It Clean</h3>One of the simplest yet most essential maintenance tasks is cleaning your bike. Dirt, grime, and road debris can accelerate wear on key components like brake pads and belts. Rinse your bike occasionally, but always power down and remove the battery first. Focus on the drivetrain, and avoid power washing&#x2014;it&apos;s unnecessary and could cause damage. A clean bike not only looks good but also performs better. Ensure you allow your ebike to dry completely before reinstalling your battery and going for a ride. We suggest a little leftover dirt from your last ride as a badge of honor!<hr><h3 dir="ltr" id="2-brake-maintenance">2. Brake Maintenance</h3>Hydraulic disc brakes are designed to be strong, quiet, and reliable, but they require occasional attention to maintain performance.Your Centauri II is equipped with Shimano MT200 hydraulic disc brakes with the following specifications:<ul><li dir="ltr">Mineral oil fluid</li><li dir="ltr">ISO 6-bolt 180mm disc rotors</li><li dir="ltr"><a href="https://vvolt.com/products/jagwire-pro-e-bike-brake-pads-for-radius-hydraulic-brakes" rel="noopener noreferrer" target="_blank">Deore-style organic brake pads</a><ul><li dir="ltr">(<a href="https://vvolt.com/products/jagwire-pro-e-bike-brake-pads" rel="noopener noreferrer" target="_blank">higher performance options are available</a>)</li></ul></li></ul>Brake Pads and Rotors<ul><li dir="ltr" style="text-decoration:none;">If brake pads are worn below 1.5mm, replace them to maintain braking efficiency and reduce noise.</li><li dir="ltr" style="text-decoration:none;">Brake rotors should be wobble-free and silent. Unusual noises (like howling or scraping) often indicate contamination&#x2014;clean them with isopropyl alcohol and a lint-free cloth.</li><li dir="ltr" style="text-decoration:none;">Handle brake components with care&#x2014;oil from your fingers can cause contamination.</li><li dir="ltr" style="text-decoration:none;"><a href="https://www.parktool.com/en-us/blog/repair-help/disc-brake-pad-removal-installation" rel="noopener noreferrer" target="_blank">Park Tool</a>&#xA0;has created an excellent resource for swapping your brake pads!</li></ul>Brake Bleeding<ul><li dir="ltr" style="text-decoration:none;">Vvolt ebikes use a mineral oil-based system. Air may be trapped in the system if your brakes feel spongy despite good pad condition.</li><li dir="ltr" style="text-decoration:none;">Unless you already own a Shimano bleed kit and are familiar with bleeding hydraulic disc brakes, go to a local bike shop to have this work performed.</li></ul><hr><h3 dir="ltr" id="3-gates-carbon-drive-drivetrain">3. Gates Carbon Drive Drivetrain</h3>Your Gates Carbon Drive belt is durable and quiet but requires occasional care.Your Centauri II is equipped with a&#xA0;<a href="https://www.gatescarbondrive.com/products/belts/120t-cdx" rel="noopener noreferrer" target="_blank">Gates CDX 120t belt</a>. <ul><li dir="ltr" style="text-decoration:none;">Inspect it every 2,000 miles for cracks, wear, or misalignment.</li><li dir="ltr" style="text-decoration:none;">Clean with water and a soft-bristled brush&#x2014;avoid harsh chemicals.</li><li dir="ltr" style="text-decoration:none;">Check the belt ring and cog for excessive wear.</li><li dir="ltr" style="text-decoration:none;">Proper alignment and tension prevent noise and prolong belt life.</li><li dir="ltr" style="text-decoration:none;">If you hear popping or clicking, reach out to support@vvolt.com.</li></ul>Refer to Gates&apos; official maintenance guide (<a href="https://www.calameo.com/gates-corporation/read/006975492a1f903de3202" rel="noopener noreferrer" target="_blank">pg. 10</a>).<hr><h3 dir="ltr" id="4-wheel-care">4. Wheel Care</h3>True wheels are critical for a smooth ride; regular checks can prevent long-term issues.<ul><li dir="ltr" style="text-decoration:none;">Spin your wheels occasionally to check for side-to-side (lateral) or up-down (vertical) wobbling.</li><li dir="ltr" style="text-decoration:none;">A tire lever or fixed object held near the rim can help assess trueness.</li><li dir="ltr" style="text-decoration:none;">Spoke tension is key&#x2014;uneven tension can lead to further misalignment.</li><li dir="ltr" style="text-decoration:none;">If you notice wobbling, visit a local bike shop instead of attempting adjustments without the correct tools.</li></ul><hr><h3 dir="ltr" id="5-tire-maintenance">5. Tire Maintenance</h3>Your tires are your only contact with the road&#x2014;monitoring their condition is crucial for safety.Your Centauri II has CST tires, sized 27.5&quot; x 2.4&quot;. You can buy a replacement tire&#xA0;<a href="https://vvolt.com/products/medium-roller-tire-27-5-x-2-4" rel="noopener noreferrer" target="_blank">here</a>. The tubes use 48mm presta valves; you can purchase replacements&#xA0;<a href="https://www.teravail.com/product/teravail-tube-27.5-inch-presta-valve-650b-211781-1.htm" target="_blank" rel="noopener noreferrer"></a><a href="https://www.teravail.com/product/teravail-tube-27.5-x-2.0-2.25-inch-48mm-schrader-valve-650b-211782-1.htm" rel="noopener noreferrer" target="_blank">online</a>!<ul><li dir="ltr" style="text-decoration:none;">Check tread wear regularly&#x2014;bald tires reduce grip and increase risk.<ul><li>A purple/pink liner will become visible when the tire is well past worn out and is your sign to STOP riding and replace that tire! </li></ul></li><li dir="ltr" style="text-decoration:none;">Replace worn tires before slipping or handling issues arise.</li><li dir="ltr" style="text-decoration:none;">Proper inflation improves ride comfort, efficiency, and longevity.</li></ul><hr><h3 dir="ltr" id="6-suspension-maintenance">6. Suspension Maintenance</h3>Your Centauri II has a unique monoshock suspension fork with 30mm travel. Four outer pins compress downwards into the fork crown bushings, while a large inner pin compresses upwards into the head tube. While there is no adjustment possible, you should inspect the 5 pins and apply a layer of grease annually.&#xA0;<ul><li dir="ltr">A small amount of fore/aft play is normal.</li><li dir="ltr">A top-out or bottom-out noise on compression or rebound is normal.</li><li dir="ltr">Apply grease to the pins and upper/lower sections of the fork as shown below:</li></ul><img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025030423-aa3e93aa-74ba-438f-aab7-6fc7c4a69c3b-img_5240.jpg" style="width: 300px;" class="fr-fic fr-dib">Grease applied to the suspension pins <hr><h3 dir="ltr" id="isPasted">7. Safety Inspections &amp; Bolt Checks </h3>Routine checkups keep your ebike running smoothly and safely.<ul><li dir="ltr" style="text-decoration:none;">Your ebike should be primarily silent&#x2014;clicking, ticking, knocking, or rattling signals the need for attention.</li><li dir="ltr" style="text-decoration:none;">Schedule biannual inspections if you ride over 5,000 miles/year.</li><li dir="ltr" style="text-decoration:none;">If riding fewer miles, an annual inspection is usually sufficient.</li><li dir="ltr" style="text-decoration:none;">After crashes or hard impacts, get a professional safety check before riding again.</li></ul>Bikes can rattle bolts! During safety inspections, putting a wrench on all your bolts is a good idea to ensure everything is nice and tight.

Maintenance Suggestions: Centauri II

Pro Tips for Adjusting Your Belt Tension on the Centauri II

Belt Tension Adjustment: Centauri II

Video detailing how to remove the rear wheel on a Vvolt Centauri II with an AutoShift3 rear hub

Rear Wheel Removal: Centauri II AutoShift3

Here's how to remove and install the battery in your Vvolt ebike equipped with a bottom-mount battery.

Battery Removal and Installation: Centauri II

Here's how to reset your trip distance on your Centauri II with an Ananda D16 display

Reset the trip distance: Centauri II

Tutorial for adjusting the speed sensor on the Vvolt Centauri II

<img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025013119-a4e73650-245c-41b4-8ce6-0022406e61bd-file.jpg" style="width: 585px;" class="fr-fic fr-dib fr-rounded">Warp Speed, Captain!&#xA0;<h2 id="whats-a-speed-sensor-fault">What&apos;s a speed sensor fault?</h2>Suppose your Ananda M100-powered Vvolt ebike has erratic motor behavior, such as inconsistent power delivery and instances of no power delivered, in addition to faulty speed readings on your display. In that case, you need to adjust the position of your speed sensor, and this guide will help you make it happen!&#xA0;<h2 id="correct-orientation">Correct Orientation</h2><img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025013119-9a827a46-b843-468d-b1b7-fc73640879e3-speed%20sensor%20m100.png" style="width: 585px;" class="fr-fic fr-dib fr-rounded fr-bordered">The speed sensor should be 7-23mm from the disc rotor-mounted magnet.&#xA0;<h2 id="centauri-se-speed-sensor-adjustment">Centauri SE Speed Sensor Adjustment</h2>On the Centauri SE, the speed sensor may be installed inside the non-drive side dropout with an M4 bolt:<img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025013119-691ba577-2f6e-42e2-b846-7f061ef1f26d-img_1345.jpg" style="width: 585px;" class="fr-fic fr-dib">Speed Sensor: Centauri SEIf the speed sensor on your Centauri SE is situated as above, and you&apos;re noticing faulty behavior, follow the next steps to reposition your speed sensor:<h3 id="toolsparts-required">Tools/Parts Required:</h3><ol><li>4mm hex head wrench</li><li>Drill and 7/32&quot; drill bit</li><li>Buton head M5 with a washer (15mm should suffice)&#xA0;</li></ol><h3 id="steps">Steps:</h3><ul><li>Remove the rear wheel following <a href="https://support.vvolt.com/en-US/rear-wheel-removal-centauri-se-(2024-present)-1045422" rel="noopener noreferrer" target="_blank">these instructions</a>.&#xA0;</li><li>With your 4 mm wrench, remove the speed sensor from the dropout plate and gently pull the wire to add more slack.<img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025013120-d5182ccc-c558-4e55-b0a4-73ebfd2d296c-img_1346.jpg" style="width: 585px;" class="fr-fic fr-dib fr-bordered"></li><li>Use your 1/4 drill bit to widen the hole on the speed sensor. Drill slowly, and do your best to center the bit in the sensor. We&apos;re just widening the hole enough for an M5 bolt. <img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025013120-5a552cc0-a4f6-4869-aa2a-af35961796b2-img_1354.jpg" style="width: 585px;" class="fr-fic fr-dib fr-bordered"></li><li>Install the speed sensor positioned forward on the back of the lower accessory eyelet. Using a stubby bolt ensures it won&apos;t interfere with your accessory bolt! <img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025020419-cbfb7d04-3c00-47ca-abd4-84fc1e3bd4f1-tempimageosjtnb.jpg" style="width: 585px;" class="fr-fic fr-dib fr-rounded"><img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025020419-54b6f457-e6f8-4a17-ba04-3285b67b92a0-tempimageiif5n0.jpg" style="width: 585px;" class="fr-fic fr-dib fr-bordered"><div>Route the wire outboard of the dropout plate to avoid interference with the wheel!</div></li><li>Reinstall your rear wheel and check the function of your speed sensor! You should see consistent speed readings on your display and experience the uninterrupted and smooth power of the Ananda M100 motor.&#xA0;</li></ul> <h2 id="centauri-ii">Centauri II</h2>The speed sensor is installed with an M5 bolt inside the lower accessory eyelet on the Centauri II.&#xA0;<img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025013120-61cc3c45-d7d7-4016-99b9-3b879f221be5-img_1362.jpg" style="width: 585px;" class="fr-fic fr-dib fr-bordered">If the speed sensor on your Centauri II is situated as above, and you&apos;re noticing faulty behavior, follow the next steps to reposition your speed sensor:<h3 id="steps-1">Steps:</h3><ul><li>Remove the rear wheel following <a href="https://support.vvolt.com/en-US/rear-wheel-removal-centauri-ii-(2024-present)-1045442" rel="noopener noreferrer" target="_blank">these instructions</a>.</li><li>Use a T25 wrench to remove and reposition the orientation of the disc-rotor-mounted magnet from the inboard to the outboard.<ul><li><img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025020419-032ff375-ce30-4718-9e8f-4f4ac2a52419-tempimagefv4ki2.jpg" style="width: 585px;" class="fr-fic fr-dib fr-bordered">Inboard-mounted disc magnet <img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025020420-a7a2e43a-fa13-4f97-91ec-b88527e4b182-tempimageirizpe.jpg" style="width: 585px;" class="fr-fic fr-dib">Outboard-mounted: note the lip on the magnet</li></ul></li><li>Reinstall the wheel and test for good function. If you&apos;re still having issues, proceed to the following steps.&#xA0;</li><li>With your 4 mm wrench, remove the speed sensor from the accessory eyelet, gently pull the wire to add more slack, and reposition it facing downwards. In rare instances, you may need to install a presta valve nut or a similarly sized M5 spacer to push the sensor outboard.&#xA0;<img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025013120-b9089006-e895-4fe2-b5e2-7a071a4eb157-img_1262%20(1).jpg" style="width: 585px;" class="fr-fic fr-dib fr-bordered"></li><li id="isPasted">Reinstall your rear wheel and check the function of your speed sensor! You should see consistent speed readings on your display and experience the uninterrupted and smooth power of the Ananda M100 motor.</li></ul><hr>Still encountering issues? Send us a note at <a href="mailto:support@vvolt.com">support@vvolt.com</a>, and we&apos;ll get you sorted.

Troubleshooting: Centauri II Speed Sensor

Do you have a specific question? Drop it in the chat!

Didn't find the answer to your question in the above database? Ask us in the chat!

Our phone line is open Tuesday-Thursday from 10am-3pm PT.

Shop Ebikes

Shop Accessories

Contact Us

Vvolt Electric Mobility 

Tutorials for addressing maintenance and issues that may arise on your Centauri II

Centauri II Maintenance and Troubleshooting 

Centauri II

Maintenance and Troubleshooting

Alpha II Assembly Video

Alpha II Display Manual

User Manual: Vvolt UL-2271 Type Batteries

Alpha II Geometry Charts

Alpha II Technical Specification

Owners Manuals

Bedding disc brakes

Understanding Pedal Assist (PAS) Levels

All about tire pressure

Roadside Repair Kit

Your First Ride

Maintenance Suggestions: Alpha II

Rear Wheel Removal: Alpha II

Belt Tension Adjustment: Alpha II

Battery Removal and Installation: Alpha II

Reset the trip distance: Alpha II

Error Code 04 Troubleshooting: Alpha II

Error Codes: Alpha II

Alpha II

Centauri II Assembly Video

Centauri II Display Manual

Centauri II Technical Specification

Centauri II Geometry Charts

Centauri II AutoShift3 Hub Information

Understanding Pedal Assist (PAS) Levels on the Centauri II Autoshift3

Centauri SE Display Manual

Centauri SE Geometry Charts

Centauri SE Technical Specification

Centauri SE Shifter Resources

Understanding Pedal Assist (PAS) Levels on the Centauri SE

Maintenance Suggestions: Centauri SE

Rear Wheel Removal: Centauri SE

Belt Tension Adjustment: Centauri SE

Centauri SE Shifter Maintenance and Troubleshooting

Speed Sensor Troubleshooting: Centauri SE

Centauri SE

Alpha | Alpha S Display Manual

Assembly Video

Technical Specification

Gates Belt Tension Checking

Rear Wheel Removal: Alpha | Alpha S (2021-2023)

Alpha | Alpha S

Centauri | Centauri S Display Manual

Centauri | Centauri S Technical Specification (2022-2023)

Geometry Charts

Centauri | Centauri S Motor Wiring Schematic

Rear Wheel Removal: Centauri |Centauri S (2022-2023)

Centauri | Centauri S Shifter Service and Support Links

Centauri | Centauri S Gates Belt Tension Checking

Centauri | Centauri S

Proxima Display Manual

Gemoetry Chart

Rear Wheel Removal: Proxima (2021)

Proxima Shifter Service and Support Links

Proxima Gates Belt Tension Checking

Proxima Motor Wiring Schematic

Proxima

Sirius Display Manual

Geometry Chart

Suspension Fork Information

Rear Wheel Removal: Sirius (2021-2023)

Sirius Shifter Service and Support Links

Sirius Gates Belt Tension Checking

Sirius

Slice Lite Assembly Video

Slice Lite Geometry

Slice Lite Display Manual

Belt Tension Adjustment: Slice Lite

Reset the trip distance: Slice Lite

Rear Wheel Removal: Slice Lite

Slice Lite

First-Generation Ebike Archive

Where can I test ride a Vvolt ebike?

Do Vvolt ebikes have weight limit?

What happens if something goes wrong with my Vvolt?

What types of roads and trails can I ride a Vvolt?

Can I modify my Vvolt?

What is the weight limit for the Vvolt rear rack?

What's the difference between hub motor and mid motor bikes?

What's the difference between torque sensing and cadence sensing bikes?

Why does the Alpha II have a single mechanical gear?

Can I ride my Vvolt ebike in the rain?

How should I maintain my bike when using it near the beach?

Are your rims tubeless compatible?

Where is the serial number on my Vvolt?

Does Vvolt particiapate in rebate programs?

Frequently Asked Questions

Maintenance Suggestions for all Vvolt Ebikes

Belt Tension Adjustment: Alpha II, Centauri II, Centauri SE, Slice Lite

Controller Replacement: Alpha | Alpha S (2021-2023)

Motor Replacement: Proxima, Centauri | Centauri S, Sirius (2021-2023)

Speed Sensor Replacement: Proxima, Centauri | Centauri S, Sirius (2021-2023)

Enviolo Shifter Service and Support: Proxima, Sirius, Centauri [S, SE]

Reset the trip distance: Alpha II (2024-present)

Vvolt Ranger Battery Removal and Installation

MPF Mid-Drive Torque Sensitivity Adjustment

Rear Wheel Removal: Proxima, Centauri |Centauri S, Sirius (2021-2023)

Rear Wheel Removal: Centauri SE (2024-present)

Rear Wheel Removal: Centauri II (2024-present)

Rear Wheel Removal: Alpha II, Slice Lite

Rear Wheel Removal Guides

How To Guides and Maintenance Suggestions

Vvolt Aluminum Fender Installation Tips

Vvolt Aluminum Rear Rack Installation Tips

Accessory Guides

Error Codes: Proxima, Centauri | Centauri S, Sirius (2021-2023)

Error Codes: Alpha | Alpha S (2021-2023)

Error Codes: Alpha II, Centauri II, Centauri SE, Slice Lite

Troubleshooting: Cannot turn on the Display

Key Replacement

Speed Sensor Troubleshooting: Centauri SE and Centauri II

Vvolt Service Bulletin: Battery Handling Update 10/2023

Vvolt Service Bulletin: Mid-Drive Models Purchased Between 1/11/21 and 7/1/22

Technical Bulletins

Troubleshooting

User Guide: UN 38.3 Type Batteries in First-Generation Vvolt Ebikes

Third Party Batteries Disclaimer

How long does it take to charge your batteries?

Voltage Sag

Battery Recycling

Replacement or Additional Batteries for Purchase

Battery Information

How much is shipping?

What carrier do you use to ship bikes?

Return Policy

Do you ship internationally?

Low Packaging Commitment

How soon will my order be shipped after purchase?

Shipping and Returns

Warranty Policy

Crash Replacement Policy

Warranty