Blackbird EZ-1 Classic Quadribent, EZ- Classic Quadribent Assembly Instructions And User Manual
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E Z - 1 Q U A D R I B E N T A S S E M B L Y I N S T R U C T I O N S A N D U S E R G U I D E
EZ-1/EZ-CLASSIC
QUA
DRIBENT
By Blackbird Designs Inc.
™
Assembly Instructions
And User Guide
Mark 5.2 June 2011
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side, human powered vehicle that enables almost anyone to enjoy cycling.
Captain steering allows either rider to pilot the vehicle
drive allows people with different physical abilities to ride together with either rider generating from
s great for combining an adult rider with a child and/or
can be separated into two recumbent bikes for “solo” riding and
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E Z - 1 Q U A D R I B E N T A S S E M B L Y I N S T R U C T I O N S A N D U S E R G U I D E
The Quadribent is 2-seat, side-by-
The 4-wheeled design maximizes stability and the recumbent position maximizes your seating comfort. Headsup design eliminates neck, shoulder and hand pain. Coand the dual0 to 100 percent of the power. The Quadribent i
physically challenged rider. The Quadribent
easy transportation however it is not recommended to be done on a regular basis. Most people never separate it.
General Rules For Safe Riding
1. DO NOT ALLOW ANYONE TO STAND OR SIT ON THE CARGO PLATFORM OR ANY OF THE
QUADRIBENT CONNECTING PARTS OR TO RIDE ANYWHERE EXCEPT SITTING ON THE
SEAT.
2. Adults should supervise children at all times.
3. Always wear a CPSC approved helmet and some form of eye protection.
4. Always ride with a rear view mirror attached to your helmet or mounted to your vehicle.
5. Obey all traffic rules and regulations, signs and signals.
6. Ride on the side of the road, going in the same direction as the traffic.
7. Use proper hand signals when turning or stopping.
8. Be alert at all times, especially watch for cars pulling out into traffic and for opening doors.
9. Please read EZ-1 SX/EZ-CLASSIC Owner’s Manual for additional information regarding “EZ-1 Riding Tips”,
“Night Riding Tips”, “Wet Weather Riding Cautions”, “Fitting Your EZ-1” and “EZ-1 Riding Tips”.
General Rules For Riding Your EZ-1 SX/EZ-CLASSIC Quadribent
1. Inspect your EZ-1 SX/EZ-CLASSIC Quadribent before every ride. Make sure all nuts and bolts on the EZ-1
and accessory Quadribent frame are securely tightened. Check your brakes by applying them and pushing the
Quadribent forward and backward to make sure they are engaging properly. Check your tires for proper air
pressure as indicated on the sidewall of the tires. Make sure the quick release levers on the wheels and seat are
properly closed and secure. Make sure all of the Quadribent mounting hardware is properly installed. Check to
see that the quick release pins on the steering tie rod are properly inserted and locked. Stop vehicle and discontinue
riding if any mechanical problems arise, including but not limited to any sudden changes in: vehicle stability,
steering control, and / or pedaling difficulty.
2. Check and adjust your seat position/seat recline before mounting your Quadribent. Never attempt to readjust the
seat position while vehicle is in motion.
3. Always ride your Quadribent with a partner. Never ride the Quadribent “solo” for the vehicle may lose
stability in turns and can tip over resulting in serious injury.
4. Always wear the factory supplied seat belts when riding the EZ-1 Quadribent.
5. The Co-Captain Steering links the handlebars of both EZ-1 recumbents together allowing either rider to pilot the
Quadribent. Each rider should always keep both hands on the handlebars when the vehicle is in motion. Each
rider is responsible for steering around people, vehicles and/or any obstructions to avoid collisions with any objects
in your path.
6. Remove the factory supplied “parking brake” strap after mounting the vehicle and properly securing your seatbelt.
Always reinstall the “parking brake” strap before exiting the vehicle.
7. As a courtesy to your riding partner and for the safe operation of the Quadribent both riders should communicate
all non emergency turns, braking, starts and stops before they are executed.
8. For the safety of both riders, it is recommended the vehicle be slowed to less than 10 miles per hour (mph) before
initiating any turns of 90 or more degrees.
9. The EZ-1 Quadribent is designed for use on streets and bike paths only. Off-road, off-trail, mountain trail and /
or open field riding is not recommended and should not be attempted.
10. Do not modify, drill holes or mount accessories to Quadribent cross beams or frame.
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E Z - 1 Q U A D R I B E N T A S S E M B L Y I N S T R U C T I O N S A N D U S E R G U I D E
HELPFUL HINTS
The EZ-1 SX/EZ-CLASSIC Quadribent ™ Mark 5.1 Kit is made for late 2009 and later EZ-1 models.
A custom Quadkit for the previous models of the EZ-1 can be ordered from Blackbird Designs. Please
be sure you have the compatible bikes and Quadribent™ Kit before starting.
The EZ-1 SX/EZ-CLASSIC Quadribent™ Kit is partially assembled, and is intended to be sold in a
fully assembled and adjusted condition by your Dealer. If the kit is bought ‘factory direct’ by the
customer, he is responsible for final assembly and adjustment.
Completely assemble two EZ-1 SX/EZ-CLASSIC Recumbents
NOT INSTALL SEATS until after the Quadribent™ Kit is completely installed.
The sequential assembly numbering system has been adjusted so that the text and pictures share the
same number.
Designate one bike as the “LEFT BIKE” (facing forward) and second bike as the “RIGHT BIKE”.
The remaining portion of the Instruction Manual is pictorially based. Review instructions before
starting to assemble Quadribent™ Kit. Simply follow the sequence of pictures displayed on the
following pages. The average assembly time is approximately 30 minutes.
The Quadribent™ Kit is manufactured to be assembled with basic hand tools. Tools recommended
include: tape measure, wrenches, socket set, and metric allen wrenches.
If questions arise or technical support is required during the assembly process, please contact
Blackbird Designs Inc. for a prompt service. The contact information is listed on page 2.
Blackbird Designs Inc. recommends when you replace wor
with high pressure Maxxis Hookworm (110 psi 16” front and 110 psi 20” rear) tires. This is a very
tuff tire with low rolling resistance. Check with your local bike shop for availability.
per assembly instructions, but DO
n O.E.M. tires supplied with the EZ-1’s
FOR TECHNICAL SUPPORT CONTACT:
Blackbird Designs Inc.
12721 Appleview Lane
Email: blackbirdbikes@aol.com
Jim Black, President
Burnsville, MN 55337
Phone: 952-894-7705
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