Three Key Upgrades Over the P9: Tern's HSD P9 Performance offers three notable upgrades of the P9, making this an ideal commuter bike for San Francisco and the Bay Area. Those upgrades are motor, battery, and charger - read on.
Bosch Performance Motor: The HSD P9 Performance boasts a Bosch Performance Line (Gen 3) motor - offering more torque to conquer steeper hills.
Includes A 500 Wh Battery: Get 20% more battery capacity on the P9 Performance compared to the P9. More battery means more miles per charge, or more range for hilly commutes.
Comes With a Bosch Fast Charger: Get a 4 Amp-hour charger standard with the P9 Performance, shortening your charge time, especially with the larger (500 Wh) standard battery.
Fits Riders from 4’11” to 6’5”: How does Tern do this with one size? Extensive experience in making small-wheel folding bikes that stand up to demanding riders. The HSD features an adjustable design with zero sacrifice to ride quality.
Child Seat Ready - No Adapter Required: Fits one Thule® Yepp Maxi, Yepp Nexxt Maxi, or Bobike® GO Maxi child seat—no adapters needed. These seats work for toddlers through children up to 4 years old.
Let There Be Light: 190 lumen Valo™ headlight provides 24-hour visibility. Herrman's rear light empowers you to ride with confidence–both see and be seen.
Safety & Security: Tern doesn't skimp on the stock setup here – take the built-in Abus wheel lock keyed alike to your battery lock, and Magura MT-4 hydraulic disc brakes for confident stopping.
A Warranty You Can Trust: Tern's warranty is backed by The New Wheel True Warranty™ and upheld by our professional service department. Includes 5-year frame coverage, (10 years if you register with Tern), 2 years for the electrical system including the battery, and original warranty for all other components (some exceptions apply).