Giant SyncDrive Tuning Chip — Which Kits Work on SyncDrive Pro & Sport?

Giant SyncDrive motor range — which platform is yours?

All current Giant SyncDrive motors are built on Yamaha platforms. Identifying which Yamaha platform your motor uses is the key step before selecting a tuning kit.

SyncDrive Pro and EX: Yamaha PW-X3 platform

The SyncDrive Pro and SyncDrive EXare built on the Yamaha PW-X3 — Yamaha's flagship trail and enduro motor platform. With 85 Nm of torque and a compact, lightweight design, it is used across Giant's Trance E+, Reign E+, and Stance E+ ranges.

Because the motor hardware and firmware are identical to the Yamaha PW-X3, kits designed for the PW-X3 are directly compatible. The VOLspeed V3 and SpeedBox 2.0 are the recommended internal kits. Both show real speed on the console and activate via a handlebar button combination. The BadassBox 4 is the external no-tool alternative.

SyncDrive Sport: Yamaha PW-ST platform

The SyncDrive Sportis based on the Yamaha PW-ST — a trekking and sport-focused motor with 70 Nm of torque and a streamlined design. It powers Giant's FastRoad E+, ToughRoad E+, and Roam E+ models.

VOLspeed V3 and SpeedBox 2.0 are compatible with the PW-ST platform. Always verify your specific firmware version against the compatibility list on the Yamaha motor page before ordering — firmware updates can occasionally affect kit compatibility.

Why does the Yamaha page matter for Giant owners?

Because Giant uses Yamaha motor internals, any firmware update that Yamaha pushes to its OEM partners — including Giant — uses the same underlying system. Detection thresholds, activation sequences, and kit compatibility notes documented for Yamaha PW-X3 and PW-ST apply directly to SyncDrive Pro, EX, and Sport.

→ Full Yamaha kit list, firmware notes, and compatibility table

External vs internal kits: which suits Giant bikes?

External kits (BadassBox 4) attach a magnet to the rear wheel speed sensor without any electronic connection. Installation takes around 15 minutes with no tools. The console shows half your real speed — the free Boost Buddy app shows the true figure. No electronic traces are left in the motor logs. The BadassBox 4 works across all SyncDrive variants.

Internal kits (VOLspeed V3, SpeedBox 2.0) splice into the motor wiring harness. They display real speed directly on the Giant RideControl console and are invisible once installed. Installation takes 30–60 minutes and requires opening the motor case. These kits offer additional features such as adjustable speed limits and anti-detection modes.

Giant RideControl console compatibility

All three kits listed here are compatible with the full Giant RideControl console range: RideControl EVO, Charge, One, Sport, Ergo, Ergo 2, Ergo 3, and Dash. Activation is typically via a button combination specific to each kit — refer to the kit manual for the exact sequence.

Giant EnergyPak Smart batteries (400–800 Wh) are not modified by any of these kits. Range will decrease by 20–40% if you regularly ride above the legal assistance threshold, since the motor is working for longer at higher speeds.