01
Built into the concept
The product direction brings a lock into a complete brake caliper.
An idea built around everyday riders
A new approach
to bike security.
Meet BarCylinder. A brake caliper concept with an integrated lock, designed around a familiar concern: leaving your ride outside.
Join the waitlist ↗Follow the prelaunch project. No payment, order or delivery commitment.
The idea
Your bike is part of your day.
The commute. A delivery stop. A visit to the store. BarCylinder began with a rider's question about the bike left outside.
02
Grounded in real riding
A project for interested commuters, delivery riders and bicycle fleet operators.
03
Honest about the next steps
Follow the development story and share the questions you want answered before a sales release.
Product direction
A complete caliper.
The lock integrated.
BarCylinder is a complete brake caliper with the lock built in. The current product direction includes a fob. The bike's existing rotor is not included.
These images show the approved concept direction. Compatibility, demonstrated features and production details require confirmation before purchase.
BarCylinder is intended to supplement conventional bike security. It is not a guarantee against theft.
Stay in the loop
Follow BarCylinder
from here.
Join the waitlist for product updates and occasional information for interested riders.
Your signup registers interest. It does not place an order, take a payment or promise a delivery date.
Concept imagery shown. No confirmed sale date or availability is announced.
A few clear answers
Before you join.
Can I buy BarCylinder now?
This is a prelaunch project. The waitlist registers interest. It is not a checkout or a preorder.
What is the product?
The approved direction is a complete brake caliper with an integrated lock. A fob is included in the recorded kit. The bike's existing rotor is not included.
Will it fit my bike?
Compatibility has not been confirmed here. Verified fit details need to be available before a sales release.
Does it replace my other bike security?
No. BarCylinder is intended as supplemental protection alongside conventional security methods. No theft guarantee is made.
How will my signup be used?
The signup is for BarCylinder product updates and occasional rider emails. You can unsubscribe.