kickr

An attempt at decoding the Zwift Play controllers

Kickr Virtual Shifting 2026 Guide: Legacy Trainer Upgrades & Smart Gearing

Simulation of Changing Road Inclination for Indoor Cycling

A standalone web app that uses the browser's Web Bluetooth API to control a bike trainer, allows to train on a recorded GPX track.

RoomSports ist das Indoortraining mit Spassfaktor.

Virtual shifting app for Wahoo Kickr V5 using Zwift Click controllers. Works with Zwift, TrainingPeaks, and other training platforms.

Ant+ based fan controller. Allowing for automatically turning a fan on and off as the workout starts/ends and for increasing the fans output based on the intensity of the workout.

Arduino sketch for the Open Grade Simulator - an open hardware and software incline simulator for indoor cycle training

Home Assistant custom integration for the Wahoo Cloud API — imports cycling workouts (sensors + GeoJSON tracks) from Wahoo hardware (ELEMNT, KICKR, …).

Virtual Shifting (VS) for Legacy KICKR Smart trainers that are deprived of Wahoo VS-enabling firmware update(s)

kickr core component

Best DIY Virtual Shifting Upgrade for Legacy KICKR Trainers 2026

Virtual Shifting (VS) for older KICKR Smart trainers using LilyGo T-Dongle-S3 and Kickr-Virtual-Shifting library

iPhone app that adds virtual gear shifting to a Wahoo KICKR V5, acting as a Bluetooth FTMS proxy between the trainer and any indoor riding app.