What is a Quadribent?

The EZ Quadribent is a two-seat, side-by-side, human powered vehicle that enables almost anyone to enjoy cycling.

The EZ Quadribent attaches two semi-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 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.

Co-Captain steering means that either rider can pilot the vehicle.

The dual-drive allows people with different physical abilities to ride together, with either rider generating from 0 to 100 percent of the power.

EZ Quadribent side-by-side bikes are great for combining an adult rider with a child and/or physically challenged rider.

The EZ Quadribent can be separated into two recumbents bikes for “solo” riding and easy transportation.

• Two EZ semi- recumbent bikes joined together side-by-side.
• Innovative side-by-side design for "sociable" cycling.
• Features 21 speeds.
• Seats adjust for a 4' child to 6'2" adult.
• Four-wheel design makes it stable.
• Recumbent position makes it comfortable.
• "Heads-up" design is easy on the neck, shoulder and hands.
• Custom options available: sunroof canopies, rumble seat, electric motor assist, adaptive equipment, and more!

Tail Stand for easy space-saving storage

This is the EZ Quadribent Sport upended on its tail stand

This is the EZ Quadribent Classic upended on its tail stand

Built-In Cargo Platform

The Quadribent has a built-in 18" x 30"cargo platform. The Cargo Platform allows you to easily carry things with you: groceries, picnic lunch, perhaps even your dog!

Adaptive BicycleEquipment

We have adaptive options for our bicycles for special needs riders. Seat belts, toe clips and heel straps, pedal connectors, fixed steering on one of the two bikes, and more. Blackbird Bikes has worked with many families and organizations over the years to get people of all ages and abilities out biking together.

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EZ SEMI-RECUMBENT BICYCLE SPECIFICATIONS
1 LEFT BIKE, 1 RIGHT BIKE
Subject to change without notice.

• Frame: High Tensile Tig Welded Steel
• Wheel Base: 56.5" (143cm)
• Overall Length: 73" (185cm)
• Seat Height: 24.5" (62cm) l
• Fork: High Tensile Blades Cro-mo Steerer
• BB: Loose Ball 68mm
• Crank: Alloy 170x52/42/30 (steel rings)
• F. Derailleur: Shimano C202
• R. Derailleur: Sram 3.0
• Shifter: Sram 3.0
• Freewheel: Sram PG-830 11-32 8sp
• Pedals: Wellgo LU-812A
• Brake Front: Tektro Alloy Linear Pull
• Brake Rear: Tektro Alloy Linear Pull
• Brake Levers: Sram 3.0
• Headset: 1" Steel
• Handlebar: Steel w/2 Bottle Braze-ons
• Stem: Alloy 240mm Recumbent
• Hub Front: Alloy Q/R
• Hub Rear: Shimano FH-RM40-8
• Rim Front: 16x1.75 28h Alloy
• Rim Rear: 20x1.75 36h Alloy
• Spokes: 14g. Stainless Steel
• Tire Front: 16x1.50 BW Kenda Kwest
• Tire Rear: 20x1.50 BW Kenda Kwest
• Saddle: Contoured Foam w/Lycra Type Cover
• Seat Slide: Steel
• Seat Back: Cool Back Adjustable
• Wt 39 lbs

Price List

How to Order

EZ Quadribent™ Side-By-Side Bike for two people, with built-in cargo platform. Designed for comfort, stability, easy and efficient riding.

Classic is available in RED or BLUE

Sport is available in BLUE