Here's a helpful video guide for assembling the Vvolt Alpha II.

<p><span class="fr-video fr-deletable fr-rv fr-fvc fr-dvb fr-draggable" contenteditable="false" draggable="true"><iframe width="100%" src="https://www.youtube.com/embed/J5AS7GeXRtU?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe></span></p><hr><h4 id="pro-tips-for-assembling-your-alpha-ii">Pro Tips for Assembling your Alpha II:&#xA0;</h4><ul><li>Ensure your fork and front wheel are facing forward!&#xA0;<ul><li>The disc rotor will be on the left side of the bike&#xA0;</li></ul></li><li>Avoid touching the disc rotor or brake pads with your fingers! This will contaminate the components.&#xA0;</li><li>The right brake lever controls the back brake, and the left brake lever controls the front brake.&#xA0;<ul><li>When installed in the correct orientation, you should be able to read &quot;Shimano&quot; on top of the brake lever. </li></ul></li></ul>

Alpha II Assembly Video

Access the manual for the handlebar display on the Alpha II by clicking the following link:. Alpha II Display Manual

<p>Access the manual for the handlebar display on the Alpha II by clicking the following link:&#xA0;</p><p><a href="https://cdn.shopify.com/s/files/1/0554/7225/9234/files/Alpha_II_D20_Manual.pdf?v=1715718579" rel="noopener noreferrer" target="_blank"><span style="font-size: 30px;"><u><strong>Alpha II Display Manual </strong></u></span></a></p>

Alpha II Display Manual

User manual for the lithium-ion battery powering the Vvolt Alpha II.

User Manual: Vvolt UL-2271 Type Batteries

<p><br></p><table href="http://www.w3.org/1999/xhtml" id="isPasted"><thead><tr><th style="width: 36.3733%;">Alpha II</th><th style="width: 23.7867%;">S/M</th><th>M/L</th><th>L/XL</th></tr></thead><tbody><tr><td style="width: 36.3733%;">Stack&#xA0;</td><td style="width: 23.7867%;">641</td><td>655</td><td>669</td></tr><tr><td style="width: 36.3733%;">Reach</td><td style="width: 23.7867%;">384</td><td>405</td><td>425</td></tr><tr><td style="width: 36.3733%;">Seat Tube Length</td><td style="width: 23.7867%;">40</td><td>47</td><td>52</td></tr><tr><td style="width: 36.3733%;">Seat Post Diameter</td><td style="width: 23.7867%;">27.2mm</td><td>27.2mm</td><td>27.2mm</td></tr><tr><td style="width: 36.3733%;">Top Tube Length</td><td style="width: 23.7867%;">580</td><td>605</td><td>630</td></tr><tr><td style="width: 36.3733%;">Head Tube Length</td><td style="width: 23.7867%;">195</td><td>210</td><td>225</td></tr><tr><td style="width: 36.3733%;">Head Tube Angle</td><td style="width: 23.7867%;">71</td><td>71</td><td>71</td></tr><tr><td style="width: 36.3733%;">Seat Tube Angle</td><td style="width: 23.7867%;">73</td><td>73</td><td>73</td></tr><tr><td style="width: 36.3733%;">Wheelbase</td><td style="width: 23.7867%;">1071</td><td>1096</td><td>1122</td></tr><tr><td style="width: 36.3733%;">Chainstay Length</td><td style="width: 23.7867%;">448</td><td>448</td><td>448</td></tr><tr><td style="width: 36.3733%;">Bottom Bracket Drop</td><td style="width: 23.7867%;">80</td><td>80</td><td>80</td></tr><tr><td style="width: 36.3733%;">Handlebar</td><td style="width: 23.7867%;">720mm width, 15mm rise, 30-degree back sweep</td><td style="null">720mm width, 15mm rise,<br>30-degree back sweep</td><td style="null">720mm width, 15mm rise, 30-degree back sweep</td></tr><tr><td style="width: 36.3733%;">Stem Length/Rise</td><td style="width: 23.7867%;">40/7&#xB0;</td><td>90/35&#xB0;</td><td>90/35&#xB0;</td></tr><tr><td style="width: 36.3733%;">Wheel Size / Max Tire Size</td><td style="width: 23.7867%;">650b x 61mm</td><td>650b x 61mm</td><td>650b x 61mm</td></tr><tr><td style="width: 36.3733%;">Crank length</td><td style="width: 23.7867%;">170mm</td><td>170mm</td><td>170mm</td></tr><tr><td style="width: 36.3733%;">Seatpost length&#xA0;</td><td style="width: 23.7867%;">350</td><td>350</td><td>400</td></tr><tr><td style="width: 36.3733%;">distance from BB to TT/ST junction</td><td style="width: 23.7867%;">200</td><td>220</td><td>240</td></tr><tr><td style="width: 36.3733%;">Fork Length&#xA0;</td><td style="width: 23.7867%;">424.4</td><td>424.4</td><td>424.4</td></tr><tr><td style="width: 36.3733%;">Fork offset</td><td style="width: 23.7867%;">45</td><td>45</td><td>45</td></tr><tr><td style="width: 36.3733%;">Standover Inches</td><td style="width: 23.7867%;">24</td><td>25</td><td>26</td></tr></tbody><tfoot><tr><td style="width: 36.3733%;">All measurements in CM<br>unless otherwise noted</td><td style="width: 23.7867%;"><br></td><td><br></td><td><br></td></tr></tfoot></table>

Alpha II Geometry Charts

Find part names and torque specifications in this technical table.

<p><br></p><table href="http://www.w3.org/1999/xhtml" id="isPasted"><thead><tr><th>Component</th><th style="width: 45.7885%;">Description</th><th style="width: 23.3081%;">Material</th><th style="width: 14.8422%;">Torque</th></tr></thead><tbody><tr><td style="width: 16.1197%;">Frame Description</td><td style="width: 45.7885%;">Vvolt custom aluminum with removable downtube battery and adjustable dropouts. dual-color paint with reflective graphics</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Fork</td><td style="width: 45.7885%;">Vvolt custom tapered thru-axle aluminum with fender mounts and 3-pack mounts&#xA0;</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Head Set</td><td style="width: 45.7885%;">Semi-integrated, sealed, steel races, ZS44/56</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Handlebar</td><td style="width: 45.7885%;">Alloy, 31.8mm clamp, 720mm width, 15mm rise x 30&#xBA; sweep</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Stem</td><td style="width: 45.7885%;">Alloy, 40mm extension, 7&#xB0; rise (S) | Alloy, 90mm extension, 35&#xB0; rise (M, L)</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">Faceplate: 5nm<br>Steerer Clamp: 6mn</td></tr><tr><td style="width: 16.1197%;">Motor</td><td style="width: 45.7885%;">350w (nominal) rear hub motor by Ananda, custom programmed for Vvolt</td><td style="width: 23.3081%;">Alloy/Steel</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Handlebar Computer&#xA0;</td><td style="width: 45.7885%;">D20 display with left-hand remote</td><td style="width: 23.3081%;">Resin</td><td style="width: 14.8422%;">2nm</td></tr><tr><td style="width: 16.1197%;">Throttle</td><td style="width: 45.7885%;">Thumb Throttle, custom programmed for up to 80% motor power on throttle</td><td style="width: 23.3081%;">Resin</td><td style="width: 14.8422%;">2nm</td></tr><tr><td style="width: 16.1197%;">Sensors</td><td style="width: 45.7885%;">36 point Cadence sensor bottom bracket, Speed and Temperature Sensors</td><td style="width: 23.3081%;">Multiple&#xA0;</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">E-Power Battery</td><td style="width: 45.7885%;">36v 10.4ah 374wh, with onboard battery management system (UL-2771)</td><td style="width: 23.3081%;">Multiple&#xA0;</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">E-Power Charger</td><td style="width: 45.7885%;">36V2AP, 100-240V Output 36V/2A CC-CV (UL Listed)</td><td style="width: 23.3081%;">Resin</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Crankset</td><td style="width: 45.7885%;">Alloy, Square Taper 170mm arms</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">40nm</td></tr><tr><td style="width: 16.1197%;">Belt Drive Sprocket</td><td style="width: 45.7885%;">Gates Sidetrack, 50t</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Belt Drive Rear Cog</td><td style="width: 45.7885%;">Gates Sidetrack, 22t</td><td style="width: 23.3081%;">Steel</td><td style="width: 14.8422%;">40nm</td></tr><tr><td style="width: 16.1197%;">Drive Belt</td><td style="width: 45.7885%;">Gates Sidetrack, 118t</td><td style="width: 23.3081%;">Carbon</td><td style="width: 14.8422%;">45hz</td></tr><tr><td style="width: 16.1197%;">Shifter</td><td style="width: 45.7885%;">None</td><td style="width: 23.3081%;">Resin</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Brakes</td><td style="width: 45.7885%;">Shimano MT-200, 160mm 6-bolt rotors, speed cut switch&#xA0;</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">Clamp: 4nm<br>Caliper: 8nm<br>Rotor bolts: 6nm</td></tr><tr><td style="width: 16.1197%;">Front Hub</td><td style="width: 45.7885%;">Thru-Axle disc, 32h 15x110 &quot;BOOST&quot; spacing</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">Thru-Axle: 8nm</td></tr><tr><td style="width: 16.1197%;">Rear Hub</td><td style="width: 45.7885%;">Hub motor, 36h&#xA0;</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">Motor Bolts: 35nm</td></tr><tr><td style="width: 16.1197%;">Spokes</td><td style="width: 45.7885%;">13g front &amp; rear straight gauge stainless steel, F:248mm/286mm R: 268mm/270mm</td><td style="width: 23.3081%;">UCP</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Nipples</td><td style="width: 45.7885%;">Brass</td><td style="width: 23.3081%;">Brass</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Rims</td><td style="width: 45.7885%;">23.8mm wide alloy, double wall aluminum (non-tubeless)&#xA0;</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Tires</td><td style="width: 45.7885%;">27.5&quot; x 2.4&quot;, puncture protection belt, reflective sidewall, all-weather tread&#xA0;</td><td style="width: 23.3081%;">Rubber</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Pedals</td><td style="width: 45.7885%;">Wellgo alloy platform with reflectors</td><td style="width: 23.3081%;">Aluminum</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Saddle</td><td style="width: 45.7885%;">Hybrid gel comfort saddle&#xA0;</td><td style="width: 23.3081%;">Steel</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Seat Post</td><td style="width: 45.7885%;">30.9mm x 350mm (clip-on powered light attached)</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Seat Clamp</td><td style="width: 45.7885%;">Bolt-On</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">Snug!</td></tr><tr><td style="width: 16.1197%;">Grips</td><td style="width: 45.7885%;">Ergonomic lock-on grips&#xA0;</td><td style="width: 23.3081%;">Kraton Rubber</td><td style="width: 14.8422%;">2nm</td></tr><tr><td style="width: 16.1197%;">Kickstand</td><td style="width: 45.7885%;">Rear mounted with adjustable foot&#xA0;</td><td style="width: 23.3081%;">Alloy</td><td style="width: 14.8422%;">8nm</td></tr><tr><td style="width: 16.1197%;">Bell</td><td style="width: 45.7885%;">Mini Bell ding ding&#xA0;</td><td style="width: 23.3081%;">Steel</td><td style="width: 14.8422%;">n/a</td></tr><tr><td style="width: 16.1197%;">Lights</td><td style="width: 45.7885%;">Integrated Front and rear Vvolt &quot;multivision&quot;, integrated USB-C output with .5amp charging</td><td style="width: 23.3081%;">Alloy/Plastic</td><td style="width: 14.8422%;">n/a</td></tr></tbody></table>

Alpha II Technical Specification

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Vvolt Electric Mobility 

Technical resources and manuals for components on the Alpha II

Alpha II Owners Resources 

Alpha II

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

Maintenance and Troubleshooting

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

Maintenance Suggestions: Centauri II

Belt Tension Adjustment: Centauri II

Rear Wheel Removal: Centauri II AutoShift3

Battery Removal and Installation: Centauri II

Reset the trip distance: Centauri II

Troubleshooting: Centauri II Speed Sensor

Centauri II

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

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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?

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Return Policy

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Low Packaging Commitment

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Shipping and Returns

Warranty Policy

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Warranty