Blackbird Bikes

Blackbird BIKES Quadribent™
Recumbent Bicycles joined together side-by-side

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PRODUCTS - Quadribent™ Side-by-Side Recumbent Bikes

Quadribent recumbent bike for two

What is a Quadribent?
The Quadribent is a recumbent vehicle consisting of parallel paired recumbent bicycles that are joined together side-by-side to form a recumbent quad bicycle that two people can ride together.

The Quadribent attaches two EZ-Classic recumbent bikes to make a four wheel, side-by-side "Sociable Tandem" with independent gearing and pedaling. The recumbents can be detached for solo use.

It can accommodate additional riders in an optional rumble seat.


Built-in Cargo Platform

Built-In Cargo Platform - NEW
The Quadribent has a built-in cargo platform (18" x 30").

The Cargo Platform allows you to easily carry things with you: groceries, picnic lunch, perhaps even your dog!

Cargo platform for carrying all sorts of things, perhaps even your pet



EZ-1 SX Quadribent

EZ-Classic Quadribent™ - Steel Frame
Two steel frame EZ-Classic recumbent bikes joined together side-by-side.


Quadribent Conversion Kit Quadribent™ Kit (Kit only)
This is the conversion kit only - you supply the two EZ-1 recumbent bikes. Comes with built-in cargo platform.

E-4 Mid-Drive Bicycle Motor Kit

Electric Bicycle Motors
Add an electric motor kit to your EZ-Classic Recumbent bicycle. The bicycle motor option provides extra power for climbing hills, accelerating from stop signs, or for when you want to take a break from pedaling.

 


 

The Quadribent is 2-seat, side-by-side, human powered vehicle that enables almost anyone to enjoy cycling. The 4-wheeled design maximizes stability and the recumbent position maximizes your seating comfort. Heads-up design eliminates neck, shoulder and hand pain.

Co-Captain steering allows either rider to pilot the vehicle and the dual-drive allows people with different physical abilities to ride together with either rider generating from 0 to 100 percent of the power.

The Quadribent is great for combining an adult rider with a child and/or physically challenged rider. The Quadribent can be separated into two recumbents bikes for “solo” riding and easy transportation however it is not recommended to be done on a regular basis. Most people never separate it.

Accessories - Parts
We have many accessories and parts.

Adaptive
We have adaptive options.

Custom
We offer many ways to customize your Quadribent.

Electric Motor Kits
Add an electric motor to your Quadribent. It's like having a scaled-down "car."


  Blackbird Design's EZ-1 Quadribent™ (Patented) is a two-seat, side-by-side, human powered vehicle.

The four-wheel design gives it stability while the recumbent riding position is designed for comfort. Heads-up design eliminates neck, shoulder, back and hand discomfort.

An EZ-1 Quadribent is 2-seat, side-by-side, human powered vehicle that enables almost anyone to enjoy cycling again. The 4-wheeled design maximizes stability and the recumbent position maximizes your seating comfort. Heads-up design eliminates neck, shoulder and hand pain.



BlackBird Bikes Quadribent recumbent bicycles

Quadribent Abstract
(from the Patent)

A recumbent vehicle including parallel paired recumbent bicycles operatively and reversibly joined by a bracing assembly having less than four brace members, is provided.

The parallel paired recumbent bicycles are easily separable, without the need for tools, for individual riding.

A conversion kit for reversibly uniting a pair of recumbent bicycles so as to form a recumbent quad is similarly provided.

The kit generally includes a bracing assembly including a pair of braces, and brackets adapted to reversibly receive portions of the braces therein.

One of the brackets is a front bracket with another of the brackets being a rear bracket.

The front bracket is supported by a front triangle of a diamond frame of the recumbent bicycle, with the rear bracket being supported by a rear triangle of the diamond frame.

   
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