Artist Creates Bike Brake Device to Highlight NYC Rent Inequality

Justin Blinder, a Brooklyn-based artist and Meta contractor, turned his pandemic-era delivery work into an art-technology project called Ground Truth. Funded with a $10,000 grant from the arts group Idle Hands, the device mounts on a bike’s fork and connects to the front brake line. Using a battery-powered GPS, it cross-references the bike’s location with rent-burden data from the US Census Bureau’s American Community Survey.

In blocks where households spend more than 30 percent of income on rent, the system activates a small motor that applies the brake, making the bike harder to pedal; in lower-cost areas the resistance eases. Two versions exist—one for regular bikes and another built for Lyft-operated Citi Bikes. Blinder has ridden roughly 35 miles with the prototype, documenting how resistance varies across neighborhoods, and sees the project as a way to render large datasets tangible, similar to his earlier Pandemic Pulse app. He also notes that Citi Bike prices have risen annually for five years, linking the bike-share cost increase to the broader affordability crisis.