NHTSA campaign 21V795000 · Zero campaign SV-ZMC-020-417
Zero Recall 21V-795: Rear Rotor Bolts Insufficiently Tightened
NHTSA recall 21V795000 (Zero campaign SV-ZMC-020-417) was reported by Zero Motorcycles Inc. on October 13, 2021, with 411 vehicles potentially affected (per NHTSA). NHTSA's record lists the Zero SR/F for the 2020 model year. Owners were notified on November 1, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V795000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V795000 (also written 21V-795 or 21V795)
- Filed by
- Zero Motorcycles Inc.
- Zero campaign number
- SV-ZMC-020-417
- Report received
- Potentially affected
- 411 vehicles (per NHTSA)
- Component
- Service Brakes, Hydraulic — Foundation Components — Disc — Rotor
- Owners notified
Repair completion: 65.69% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V795000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Zero
Zero SR/F
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V795000.
Defect description
Zero Motorcycles Inc. (Zero) is recalling certain 2020 SR/F motorcycles. The rear rotor bolts were insufficiently tightened.
Safety consequence
The loose bolts may damage the caliper or swingarm, reducing rear braking capability and increasing the risk of a crash.
Manufacturer remedy
Dealers will correctly tighten and replace the rear rotor bolts as necessary, free of charge. Owner notification letters were mailed November 1, 2021. Owners may contact Zero customer service at 1-888-841-8085. Zero's number for this recall is SV-ZMC-020-417.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Sources
Official NHTSA notice for recall 21V795000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.