Colorful 3D-printed stem caps — NYC street icons, emoji hands, and functional toppers. Swap anytime.
Switch your look in 30 seconds flat.
Fits any standard 1 1/8" threadless stem. One-time setup, done in a minute.
Pigeons, pizza, peace signs — 50+ colorful designs and counting.
New mood, new topper. Magnetic snap — no tools needed.
Real bikes. Real streets. Real stem caps.
Brooklyn brownstone
Central Park rider POV
Joe's Pizza, late night
Bianchi at cafe, golden hour
Autumn road, functional beauty
Three series. 50+ designs. New drops monthly.
The city's true mascot, on your stem.
Full-color 3D print · 12g
Dollar slice energy, every ride.
Full-color 3D print · 10g
Bike lane guardian on your bars.
Full-color 3D print · 11g
Permanent good vibes.
Full-color 3D print · 13g
Two fingers up, wheels down.
Full-color 3D print · 12g
Know the wind before you feel it.
Full-color 3D print · 15g
Full-color, high detail
Names, logos, pets
Unbox-worthy, every time
When it's gone, it's gone
Base + your first topper — starting at $35.
Get notified when new toppers drop. No spam, ever.