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⚖️ How much weight does a kit add to my bike?

A complete kit adds roughly 12–15 lb before the battery, plus about 7.5–12.5 lb for the pack — so a typical BBS02 build adds around 20–22 lb to your bike.

Article1 min readUpdated Jul 20, 2026
Complete Bafang BBSHD 1000W mid-drive kit and battery

Approximate added weight, complete kit (motor + hardware, before battery):

  • BBS02 750W — Motor only: 9.5 lb · Complete (no battery): ~12 lb
  • BBSHD 1000W — Motor only: ~12.5 lb · Complete (no battery): ~15 lb
  • Front Hub 26" — Motor only: 11 lb · Complete (no battery): ~13.5 lb
  • Front Hub 27.5" — Motor only: 11.5 lb · Complete (no battery): ~14 lb
  • Front Hub 29" — Motor only: 12 lb · Complete (no battery): ~14.5 lb
Then add your battery. Rough battery weights (with mount): Ultra-Slim ~7.5 lb, Mini ~7.7 lb, Dolphin ~8.5 lb, Jumbo Shark ~9.5–10 lb, Whale Shark ~12.5 lb. So a typical BBS02 build with a mid-size pack adds roughly 20–22 lb to your bike. Still deciding? Take the Fitment Quiz or shop all kits.
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