Set up your KICKR CORE 2 Smart Trainer

Updated

Quick Start Guide

Download the full Wahoo KICKR CORE 2 Quick Start Guide or Wahoo KICKR CORE 2 for Zwift Ride Quick Start Guide as a PDF for instructions in English and other languages.

Assemble the CORE 2

Unboxing

  1. Begin with the front of the box facing upward. The front is labeled with a large #1 and a scannable QR code for setup instructions.

  2. Pinch clips and gently pull outward.

  3. Pull clips outward and down.

    Side of the KICKR CORE 2 box: 1 Scan to set up QR code, 2 Unclip both sides, with two plastic clips Box side with one plastic clip pulled out and lying on the floor, the other still in place
  4. Repeat for all clips on the box (four total).
  5. With clips removed, pull box top up/off.

    Top of the KICKR CORE box with plastic clips removed and set beside it Open KICKR CORE 2 box showing the wrapped trainer, the #1 adapters card and the #3 legs box
  6. Remove #1 adapters card + manual, #2 trainer, #3 legs box, and power adapter and cord from boxes/plastic. 
    KICKR CORE 2 unpacked: trainer, two legs, adapters card, manual, power adapter and cord, clips and packaging

    Note: The CORE 2's included 6mm hex wrench, leg bolts, and 1.8mm cassette spacer (when present) are in an unmarked paper bag inside the folded adapters card

In the Box

KICKR CORE 2 parts diagram: 1 trainer, 2 legs, 3 power adapter, 4 bolts, 5 hex wrench, 6 spacer, 7 skewer, A to E adapters
  1. KICKR CORE 2 Smart Trainer

  2. Front/Rear Leg Assembly (Longer/shorter leg)

  3. AC power adapter (plug will vary depending on region and location)

  4. Bolts for leg assembly (x4)

  5. 6mm hex tool

  6. 1.8mm spacer (included with cassette version only)

  7. Quick release (QR) skewer

Adapters:

A. Quick release drive-side adapter

B. Quick release non drive-side adapter
(reversible for 130/135mm)

C. Thru axle drive-side adapter

D. Thru axle 12x142mm non drive-side adapter

E. Thru axle 12x148mm non drive-side adapter

Assembly

Assembly diagram: 1 rotate the trainer arm, 2 bolt on the legs, 3 connect the power adapter
  1. Extend the CORE 2 legs.
  2. Match the color-coded legs and feet before attaching the front foot (longer) and back foot (shorter) to the KICKR CORE. Install the feet with the included bolts and tighten to 10Nm.
  3. Connect the included AC power adapter to a standard wall outlet to power on the trainer. 

130MM or 135MM Quick Release (QR)

An axle adapter is required on both sides of the KICKR.

Diagram of quick release adapters A and B fitted on either side of the trainer, B marked 130 and 135

  • Adapters A + B are required.
  • Note the asymmetry of adapter B. When used with a 130mm bike, the longer side of the adapter should be inserted into the trainer. When used with a 135mm bike, the shorter side should be inserted into the trainer.
  • Insert the skewer into the wide end of one spring, then into Adapter B, then into the trainer from the non-drive (left) side.
  • Slide the longer end of Adapter A around the skewer and into the trainer from the drive side.
  • Slide the narrow end of the remaining spring over the skewer, then thread the wider end of the acorn nut onto the skewer.

142MM or 148MM Thru Axle

Diagram of thru axle adapter C on the drive side and adapter D (142) or E (148) on the non-drive side

  • Adapters C + D or C + E are required.
  • Note the 142 and 148 labels and directional arrows etched on Adapters D and E.
  • When installing a 12x142mm bike, insert Adapter D into the non-drive (left) side of the trainer, with the arrow facing toward the trainer.
  • When installing a 12x148mm bike, insert Adapter E into the non-drive (left) side of the trainer, with the arrow facing toward the trainer.

Mount Your Bike

For CORE 2 with cassette

  1. Shift into the small front chainring and the smallest/highest cog of the cassette to reduce tension on the chain.
  2. Open and loosen the quick release skewer or remove the bike's thru axle.
  3. Gently pull the bike up and off of the wheel.
  4. Gently pull the body of the rear derailleur backwards and lower the chain onto the smallest/high cog of the cassette on the trainer and the bike's frame onto the trainer's frame adapters.

For Quick Release

Diagram of a bike frame on the trainer with the quick release lever closing to clamp it

  1. Secure your bicycle by tightening the quick release nut and then closing the quick release lever, clamping the frame. The quick release lever is “open” when it curves away from the bicycle frame. The lever is “closed” when it curves towards the bicycle frame. The handle of the quick release skewer should always be installed on the non-drive (left) side of the KICKR CORE.
  2. Failure to properly tighten the quick release skewer may result in property damage or personal injury. If you are unsure of the proper tension, please consult your local bike shop or reach out to our customer support team for guidance. Do NOT ride the CORE until the quick release skewer is tightened.

For Thru Axle

Diagram of a thru axle sliding through the frame and trainer, then being tightened

  1. Secure your bicycle by reinstalling your bicycle's thru axle to the bicycle manufacturer's specifications.
  2. Failure to properly tighten the thru axle may result in property damage or personal injury. If you are unsure of the proper tension, please consult your local bike shop or the bicycle manufacturer for guideance. Do NOT ride the CORE until the thru axle is tightened.

For CORE 2 with Zwift Cog

  1. Shift into the small front chainring and a cog in the middle of the cassette to reduce tension on the chain.
  2. Open and loosen the quick release skewer or remove the bike's thru axle.
  3. Gently pull the bike up and off of the wheel.
  4. Gently pull the body of the rear derailleur backwards and lower the chain onto the Zwift Cog on the trainer and the bike's frame onto the trainer's frame adapters.

For Quick Release

Diagram of a bike frame on the trainer with the quick release lever closing to clamp it

  1. Secure your bicycle by tightening the quick release nut and then closing the quick release lever, clamping the frame. The quick release lever is “open” when it curves away from the bicycle frame. The lever is “closed” when it curves towards the bicycle frame. The handle of the quick release skewer should always be installed on the non-drive (left) side of the trainer.
  2. Failure to properly tighten the quick release skewer may result in property damage or personal injury. If you are unsure of the proper tension, please consult your local bike shop or reach out to our customer support team for guidance. Do NOT ride the CORE until the quick release skewer is tightened.

For Thru Axle

Diagram of a thru axle sliding through the frame and trainer, then being tightened

  1. Secure your bicycle by reinstalling your bicycle's thru axle to the bicycle manufacturer's specifications.
  2. Failure to properly tighten the thru axle may result in property damage or personal injury. If you are unsure of the proper tension, please consult your local bike shop or the bicycle manufacturer for guideance. Do NOT ride the CORE until the thru axle is tightened.

Connect to Power

Connect the included AC power adapter to a standard wall outlet to power on the trainer. The trainer requires power to provide any resistance beyond flywheel inertia.

Pair to the Wahoo App

  1. Open the Wahoo app.
  2. Navigate to the Devices tab.
  3. Select Pair sensor (or the + sign if another sensor is paired).
  4. Select the KICKR CORE.

    Wahoo app My devices screen with the + button at top right and the Devices tab highlighted Wahoo app Pair new menu with the KICKR option highlighted Wahoo app Searching for sensors list with KICKR CORE 2D91 highlighted
  5. The CORE is now paired!

    Wahoo app Welcome to KICKR CORE! screen with a Begin setup button

WiFi Setup

Once paired, the Wahoo app will prompt you to proceed into Wi-Fi setup to allow for automatic firmware updates and the most robust connection available for third party desktop or Apple TV applications. Please see our WiFi support page for more details.

Wahoo app Connect KICKR CORE to Wi-Fi screen listing available networks and a Continue button Wahoo app Wi-Fi setup with the Enter password field and a Join button

Update Your CORE 2 Firmware

Every new Wahoo KICKR Smart Trainer will require a firmware update to work harmoniously with apps like SYSTM and Zwift, among others. Please see our article on updating trainer firmware for more information.

With a viable Wi-Fi network enabled, the trainer will automatically check for firmware updates and update immediately and automatically via Wi-Fi overnight, provided the trainer has power and is not actively in use.

Wahoo app screen: Your KICKR CORE is up to date, v3.0.24, with a Finish setup button
Wahoo app on iOS: My devices with KICKR CORE 3370 Connected under KICKR
Wahoo app on Android: My devices with KICKR CORE 3370 Connected and a Secure Connect banner

Registration on the Wahoo Cloud

Trainer registration occurs automatically and silently during the onboarding process as the device is registered to the Wahoo account associated to the paired Wahoo App. Registration status can be found in the Device information page on the app accessed from Devices > CORE > Device information after onboarding is completed.

Still need help?

Our support team can help with setup, troubleshooting, orders and warranty claims.