electricbiketuning.comTUNING · DERESTRICTION · EBIKE GUIDEWhich kit? →
⚠ Tuning kits featured here are for private off-road use only. Under the Highway Act 1988, electric bikes must not assist beyond 15.5 mph on public roads.

eBike Motor Tuning Guide — Find Kits by Motor Brand

Kit compatibility is determined first by motor brand and generation. Each motor has its own connector, protocol, and pitfalls. Select your motor below to see all compatible kits, installation notes and current alerts.

Off-road use only — Highway Act 1988: 15.5 mph limit on public roads.

BoschMost popular
7 kits, Gen2→Gen5

Smart System (BES3), Performance Line CX Gen4/Gen5, Active Line Plus — the broadest kit ecosystem on the market.

Compatible kits →
Shimano EP8 / EP801⚠ EP801 Warning
EP8 safe, EP801 alert

EP8: SpeedBox 1.3, PearTune MSO 3.0, BadassBox 4 all compatible. EP801: Eplus Flash or PearTune 3.0 ONLY — other kits risk permanent E299 motor lock.

Compatible kits →
Yamaha
PW-X3, PW-S2, VOLspeed V3

PW-X3, PW-S2, PW-SE, PW-TE, PW-CE, PW-ST — wide kit support. VOLspeed V3 is the dedicated Yamaha solution. New PW-LINK platform incoming 2026.

Compatible kits →
DJI AvinoxNew
PearTune MSO compatible

M1 / M2 / M2S motor — fitted by Amflow, Moustache, BH and 60+ OEM brands. PearTune MSO 5.0 RC compatible since mid-2025.

Compatible kits →
Bafang
M-series, broad compatibility

M-series mid-drive and BBS hub motors — SpeedBox Bafang, BadassBox 4, PearTune all compatible. Very wide model coverage up to 160 Nm.

Compatible kits →
Giant SyncDrive
Yamaha-based

SyncDrive Life, Core, Sport, Pro and Pro 2 — the Pro range is a Yamaha PW-X rebadge, so Yamaha-compatible kits apply. SpeedBox 3.2, VOLspeed V4, RedPed 3.

Compatible kits →
Brose / QORE
Drive³, limited kits

Drive C, T, T-Mag, S, S-Mag, H, Drive³ (rebranded QORE August 2025 following Yamaha acquisition). SpeedBox 3.0, BadassBox 4, PearTune MSO 4.0.

Compatible kits →
TQ, ZF, Fazua
Niche motors

TQ HPR60 (alpine MTB), ZF CentriX (cargo/performance), Fazua (discontinued May 2026). Limited kit options — check individual pages for current compatibility.

Compatible kits →
Don't know your motor?Start here
Identify it →

Use our visual identification guide to find your motor brand and generation from the motor casing, display or bike model. Takes under 2 minutes.

Identify my motor →

Quick compatibility table

Cross-reference your kit against your motor at a glance. ✓ = compatible, — = not compatible or not tested.

KitBoschYamahaShimanoBafangGiantBrose/QORE
SpeedBox✓ all gen✓ PW/PW-X✓ EP8 (not EP801)✓ SyncDrive
BadassBox 4/5✓ all gen✓ all✓ (not EP801)
VOLspeed✓ Gen2-4 + SS✓ PW/SyncDrivepartial
PearTune MSO✓ Gen2-4 + SS✓ all✓ EP8 + EP801✓ all Drive
Eplus Flash✓ Gen2-4 + SS✓ PW✓ EP801 + EP6
Wiesel✓ (2013+)✓ PW all

EP801 note: SpeedBox, BadassBox and VOLspeed are NOT safe on Shimano EP801 — risk of permanent E299 motor lock. Use Eplus Flash or PearTune 3.0 only.

Not sure which motor you have?

Use our visual motor identification guide — identify your motor from the casing, display or bike model in under 2 minutes.

Identify my motor →