Here are some maintenance suggestions for keeping your Centauri SE 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 SE! 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 require occasional attention to maintain performance.Your Centauri SE is equipped with Tektro M275 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 Tektro 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 SE 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 SE has CST tires, sized 27.5&quot; x 2.2&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 tire 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-shifter-maintenance">6. Shifter Maintenance</h3>Your Centauri SE is equipped with an Enviolo Trekking Hub with the following specifications:<ul id="isPasted"><li dir="ltr">135mm OLD</li><li dir="ltr">Snap ring to secure the tri-lobe Gates cog</li><li dir="ltr">Manual twist multi-turn shifter with display</li><li dir="ltr">Two standard shift cables</li><li dir="ltr">Full-length cable housing (standard 4mm diameter)</li></ul>Avoid shifting under heavy load! Mid-drive ebikes transfer power directly through the drivetrain, so shifting under load puts unnecessary strain on your hub. Lighten your pedal pressure when shifting for the best performance, especially when using a higher pedal assist level or climbing.<ul><li>If you consistently shift under load, check your shift cable ends for fraying. Instructions for replacing your shift cables are <a href="https://support.vvolt.com/en-US/1165860-261eb17f113f491990cc31d953f1bf09" rel="noopener noreferrer" target="_blank">here</a>.</li></ul><hr><h3 dir="ltr" id="7-lockring-checks">7. Lockring Checks</h3>Your Centauri II has an important lockring that should occasionally be checked. This lockring attaches the belt ring spider to the motor. Symptoms of a loose motor lockring include creaking while pedaling with or without electric assist.Vvolt mechanics prefer the Shimano TL-FC32 to check this lockring because its design doesn&apos;t require crank arm removal. You can also use the Park Tool BBT-9, but you&apos;ll need to remove the crank arm with the Park Tool CCP-44 (ISIS-spline) or something equivalent.&#xA0;This reverse-threaded lockring should be very tight. If it&apos;s loose, add some blue Loctite and crank it down.<img src="https://attachments.gorgias.help/q0jJY2DMD07eBWMO/hc/z8QbV2PYZe7ogePy/2025032622-dabddab5-ba9c-480a-9fe2-41d4d17f0ace-img_1442%20(1).jpg" style="width: 548px;" class="fr-fic fr-dib fr-bordered">Belt ring spider lockring <hr><h3 dir="ltr" id="isPasted">8. 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 SE

Pro Tips for Wheel Removal and Installation

Rear Wheel Removal: Centauri SE

Pro Tips for Adjusting Your Belt Tension on the Centauri SE

Belt Tension Adjustment: Centauri SE

Video resources to address any issues you may have with your Centauri SE shifter.

Here are a handful of helpful direct links to get a better understanding of your Enviolo Trekking Hub:Technical&#xA0;Introduction:&#xA0;<iframe width="100%" src="https://www.youtube.com/embed/6xY2S-9gjHI?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe> <hr>How to fully assemble a 135mm axle with a manual system:<iframe width="100%" src="https://www.youtube.com/embed/mhGGrSi4P38?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe> <hr>Replace the shift cables:&#xA0;<iframe width="100%" src="https://www.youtube.com/embed/i1osa5j5MeM?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe> <hr>Setting the Shift Cable Length (with tool):<iframe width="100%" src="https://www.youtube.com/embed/gW3LQvEKDT0?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe> <hr>Setting the shift cable length (without tool):<iframe width="100%" src="https://www.youtube.com/embed/dLWCUqit-bU?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe> <hr> Reinstall the hub-shift interface:&#xA0;<iframe width="100%" src="https://www.youtube.com/embed/VDO3lv8Jw0w?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe> <hr>Optimize the shifting system: <iframe width="100%" src="https://www.youtube.com/embed/krdTmvDa3Qc?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe> <hr>Reset the hub-shift interface to full overdrive:&#xA0;<iframe width="100%" src="https://www.youtube.com/embed/voJhU_rqsF4?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe>

Centauri SE Shifter Maintenance and Troubleshooting

Speed Sensor troubleshooting steps for the Centauri SE.

<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.

Speed Sensor Troubleshooting: Centauri SE

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