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The parts most likely to need an adapter

37%
Yamaha PW-X3 / PW-ST / PW-TE batteries and chargers needs an adapter or does not fit in 37% of the combinations we checked, the highest share in the dataset.

Which part most often needs an adapter?

Yamaha PW-X3 / PW-ST / PW-TE batteries and chargers tops the list: 10 of its 27 checked combinations (37%) need an adapter or do not fit. The full ranking is below.

#PartsAdapterNo fitAdapter-or-no rate
1Yamaha PW-X3 / PW-ST / PW-TE batteries and chargers01037%
2Bafang BBS02 / BBSHD / mid drive batteries and chargers01043%
3Brose Drive / Specialized Turbo (Full Power) batteries and chargers01045%
4Bosch Smart System (BES3) batteries and chargers0927%
5Shimano STEPS E8000 / E7000 / E6100 batteries and chargers0935%
6Yamaha Intube 500 Wh battery0655%
7Specialized M3-700 battery0655%
8Hailong 48 V down-tube (Bafang) battery0660%
9Bosch PowerTube 500 (smart system) battery0562%
10Shimano STEPS BT-E8010 battery0562%
11Bosch eBike System 2 (BES2) batteries and chargers0416%
12Shimano STEPS EP8 / EP801 / EP600 batteries and chargers0425%

How this is worked out

For every part we counted the combinations that resolve to an adapter fit or a no-fit across the reference set, and ranked by that count. The rate is those combinations divided by all combinations checked for that item.

Data as of 2026-09-05.

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