Hill Topper Electric Bike Motor Controller Recall: Crash Hazard
Hill Topper recalls motor controllers that may accelerate on their own. Stop using them now and contact the company for a free replacement.
Stop using this now
Water can enter the motor controller and cause it to accelerate on its own, posing a crash and injury hazard to the rider.
Contact the company & request your remedy
What happened, in plain English
Clean Republic is recalling Hill Topper electric bike motor controller circuit boards because water can enter the unit and cause it to accelerate unexpectedly. This malfunction poses a crash and injury hazard to riders who lose control of their bikes. Consumers should immediately stop using these controllers and contact the firm for a free replacement. Read more at govinfonow.com/recall/3539-hill-topper-electric-bike-motor-controller-recall-crash-hazard.
Source Summary by GovInfoNow · govinfonow.com/recall/3539-hill-topper-electric-bike-motor-controller-recall-crash-hazard · Updated October 11, 2026 · Official notice: CPSC #8368
Cite this page
“Hill Topper Electric Bike Motor Controller Recall: Crash Hazard.” GovInfoNow, updated October 11, 2026. https://govinfonow.com/recall/3539-hill-topper-electric-bike-motor-controller-recall-crash-hazard. Based on CPSC recall #8368 (https://www.cpsc.gov/Recalls/2018/Clean-Republic-Recalls-Hill-Topper-Electric-Bike-Motor-Controllers-Due-to-Crash-and-Injury-Hazards).
Why it’s dangerous
Water entering the motor controller can cause it to accelerate on its own without rider input. This unexpected acceleration can lead to a loss of control, resulting in crashes and injuries such as scrapes and bruises.
Who’s affected
Riders who purchased Hill Topper electric bike kits or standalone motor controller circuit boards from January 2017 through June 2018. The risk applies to anyone using these specific units, as water ingress can cause sudden acceleration.
How to tell if you have this one
Check if you have a Hill Topper Electric Bike Kit or a standalone motor controller circuit board with model numbers KT24WSH-BF08 or KT36WSH-BFZ13504 on the front of the unit. These were sold separately for $50 to $60 or included in kits priced between $500 and $800 from Hill Topper's Seattle store or online at www.electric-bike-kit.com.
- Brand
Hill Topper- Product
Hill Topper Electric Bike motor controller circuit board- Category
Consumer product
What to do — step by step
Stop using the controller
Immediately cease using the recalled motor controller circuit boards and kits to prevent potential crashes.
Contact Hill Topper for a replacement
Call 855-743-3279 Monday through Friday, 8 a.m. to 3 p.m. PT, email support@ukko.io, or visit www.electric-bike-kit.com and click on Recall Information to receive a free replacement motor controller circuit board.
What CPSC says to do
Consumers should immediately stop using the recalled motor controller circuit boards and kits and contact the firm for a free replacement motor controller circuit board.
Contact Hill Topper
We’ve drafted a message you can send Hill Topper to request your refund or repair — edit it as you like.
Subject: Recall 8368 — Hill Topper Electric Bike Motor Controller Recall: Crash Hazard Hello, I own a Hill Topper Electric Bike Motor Controller Recall: Crash Hazard that is covered by recall 8368 from Hill Topper. The official recall notice states: Consumers should immediately stop using the recalled motor controller circuit boards and kits and contact the firm for a free replacement motor controller circuit board. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official CPSC recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: CPSC Recall #8368 (August 2, 2018)
- Plain-language summary written by qwen3.6:35b-a3b on October 11, 2026, from the official record above. Not reviewed by a person — if it conflicts with the CPSC notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official CPSC recall data; we don’t issue, amend or administer recalls.