Electrify Bike Co. Bottom Bracket Adapter (Eccentric / Ashtabula)
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Press-fit to BSA/English-threaded bottom bracket conversion adapter for mid-drive e-bike motors (Bafang BBS02/BBSHD, CYC X1 Pro, Tongsheng TSDZ2). Converts a Eccentric / Ashtabula shell to the 1.37"×24 TPI threaded standard required by BB-mount mid-drives. Loctite 641 recommended for retention.
Specs verified Oct 16, 2026
Where to Find
Prices tracked across 1 sellerPrice History
Price History
Price changes tracked by the crawler
Current best price $45.00. Over the past 90 days: low $45.00, high $45.00, average $45.00 — about average.
- Electrify Bike
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Specifications
Specifications
- Type
- Bottom Bracket Adapter
Specifications
- BB Standard
- American Ashtabula (51.3mm ID)
- Inner Diameter
- 51 mm
- Shell Width Range
- Ashtabula one-piece crank
- Compatible Motors
- Bafang BBS02, Bafang BBSHD
