MINOURA TWIN - V1.1E User manual

indoor bicycle trainer
MAGTEQS TWIN
instructions manual
For More Information
MINOURA U.S.A. MINOURA JAPAN
(for U.S. residents ONLY) (for ALL customers)
1996 East Ave. Hayward, California 94541 U.S.A. 1197-1 Godo, Anpachi, Gifu 503-2305 Japan
Phone:[phone] Phone:[phone]
Fax: [phone] Fax: [phone]
Email: [email protected] Email: [email protected]
Web: www. minoura.jp
Made in Japan
If you need help, please contact the shop where you originally purchased this
product or the distributor in your country rst. The distributors list can be found
on our web site. If you don't get enough assistance, you can contact us;
(version 1.1E 2010/10)
Applicable Tire Size Capacity
• Without Z-adaptor 26 x 1.50 〜700 x 40c
• With Z-adaptor 22 x 1-3/8 〜26 x 1.25
Quick Release Hub Clamp
Mounts/dismounts your bike in
seconds.
Micro-Adjustable Legs
By turning the dial, the
legs can be adjusted +/-
10 mm to accommodate
uneven surfaces for
complete trainer stability.
Tubular U-shape Leg
Not just for unique design, but
reduces weight and provides
great stability.
Bolt Type Left Side Coupling
Fits 120 – 145 mm standard hub
width. For quick release type hub
only. For xed nut hub, replace
to the optional "Longer Left Side
Coupling Bolt" (SKU:400-1285-00).
U-Leg Hole for Smaller Wheel
Use this hole for all 24", 26", and
650c wheels to keep the bike
horizontal.
Tandem Magnet Type Unit
A world's rst. Primary magnet is
engaged for the rst 7 levels then
the second magnet kicks in for
the next 6 levels.
Gives you the widest range of
resistance of any trainer.
Foot Pedal
Engage, release and adjust
tire contact in one action.
Remembers location so if
you use the same bike, no
new set up is needed.
Lighter Flywheel = More Power
Our patented ywheel weighs less for
greater portability but performs as well as
a ywheel weighing 35% more. The key
is the inside stair-step design for perfect
power transmission when you need it.

How To Assemble U-Leg Required Tools: 2x 5mm Hex Wrench (supplied)
1
2
5
6
3
7
4
for 700C
for 22"~26"
650C
Choose the pivot hole for your bike size on the
main pillar. Some 26" may t better in the upper
hole.
First, disassemble the pivot bolt.
Remove the alloy sleeve and plastic washers.
Insert the alloy sleeve into the selected hole,
and put the plastic washers on both sides.
Attach the U-Leg to the main pillar.
Check that the plastic End Plugs on the U-Leg are
inserted completely and aligned with the hole.
Then insert the pivot bolt and tighten down the screw
using the supplied M5 hex wrenches.
The center bolt is
left intentionally
loose in the
package. Lightly
tighten it.
Check to make
sure each leg
moves smoothly.
!The center bolt is left intentionally
loose in the package. Lightly
tighten it. Check to make sure
each leg moves smoothly.
- 2 -
!Be sure you fully insert the plastic
End Plugs to the U-Leg before
putting the pivot bolt through them.
Failure to do so will cause a
problem that the legs will not align
in same height.
Plastic Washer
Alloy Sleeve
Pivot Bolt
End Plug
U-Leg
Plastic Washer
(Fig. A)
(Fig. B)
(Fig. C)
(Fig. D)
(Fig. E)
(Fig. F)
(Fig. G)
Pivot Bolt
(Nut Side)
Pivot Bolt
(Screw Side)
Tighten
rmly
Tighten
light

How To Install Mag Unit & Foot Step
Required Tools: 1x 5mm Hex Wrench (supplied)
1x 10mm Spanner (not supplied)
The Mag resistance unit and Foot Step now need to be
installed to the frame.
Attach the Foot Step onto the bracket on the Step-Bar rst,
put the Mag unit over the Foot Step, then tighten both
brackets together with the pivot bolt (see Fig. H).
!Overtightening the pivot bolt will cause the
Foot-Step to become inoperable.
Make sure you unscrew (loosen) the pivot
bolt by 1/4 - 1/2 turn once you completely
tightened it.
The Mag unit should be lowered towards the
ground slowly by its own weight at this point.
If the pivot bolt is too loose, the Mag unit
will drop quickly and you may be pinched
between the frame and Mag unit.
Adjust the tightening torque for the best
operation.
If the tire touches the plastic housing, it will damage them
both. Adjust the mag unit position horizontally to avoid this
problem.
To set the tire as close to center as possible, loosen the back
side screws and slide the mag unit sideways. Then re-tighten
both screws rmly.
If your tires size is smaller than 26 x 1.50", you
will need to install the supplied Z-shaped Small Wheel
Adapter between the Mag unit and the base plate.
(The tire size is clearly indicated on its side wall.)
The direction of the Z-adapter is xed so follow the
arrow printed on the top and make sure it's pointing
toward the front (toward the direction your bike goes
forward).
If the drive roller cannot reach the tire, make sure the
Z-adapter has been installed correctly.
Use the original cap head bolts for the Mount Base, and
use the supplied hex head bolts for the Mag unit. (Fig. J)
How To Use Small Wheel Adaptor
- 3 -
Step-Bar
Foot Step
Mag Resistance Unit
Pivot Bolt
Rear Tire
Hex Head Bolt
Round Head
Bolt
Z-Adaptor
(Fig. H)
(Fig. I)
(Fig. J)
Required Tools: 1x 5mm Hex Wrench (supplied)
1x 10mm Spanner (not supplied)
10mm Spanner

Placing the Trainer on the Floor
Fully open the legs and place on a at and horizontal oor.
!To open the U-Leg, grab the main frame and the rubber cap on the U-Leg.
Do NOT pull the Alloy Leg Guide directly, otherwise it may be bent or damaged.
Check that all 4 points are touching the oor
evenly (see Fig. M).
If all 4 points are not touching the oor evenly,
the frame could be deformed and cause damage
to the trainer and possibly your bike.
About Leg Height Adjuster
Each U-Leg height can be adjusted separately in
+/- 10 mm travel by turning the Adjuster Knob on top
of each Alloy Guide (see Fig. M & N).
This adjuster allows for uneven oor or ground
compensation to help insure proper stability.
When using the adjuster, be sure to check and make
sure that all 4 points are touching the ground evenly.
And the trainer should be positioned as close as
possible to the oor for better stability.
- 4 -
U-Leg
Alloy Leg Guide
Main Frame
Adjuster Knob
(Fig. K)
(Fig. L)
(Fig. M)
(Fig. N)

How To Mount Your Bike
TWIN's coupling position is pre-adjusted in the factory to t the 125mm standard rear hub width.
If it is too loose or too tight to your bike, or if you use different width of rear hub like a track race bike,
adjust the left side coupling as precisely as possible for maximum stability.
Please note there is no adjustment on the right side (lever side) coupling.
!The coupling cone shape is designed to t the supplied quick release skewer perfectly.
We strongly recommend you to replace your rear wheel skewer to the supplied one.
We do NOT guarantee the stability while using TWIN with your own skewer.
1
2
3
First, loosen the red Lock Ring by
turning it counter-clockwise. (Fig. O)
The left side coupling is actually a bolt/
coupling combination. Turn the coupling to
adjust the position. (Fig. P)
4
5
6
7
8
9
Raise the Quick Hub Clamp Lever up to
retract the right side coupling. (Fig. P)
The following steps describe the micro adjustment of the left side coupling. This step is not always
required and once xed in the proper position, you should not need to adjust again. Once adjusted
to t your bike, simply operate the Quick Hub Handle Lever for a proper t every time.
Insert the left side hub end (quick release
lever side) into the left side coupling cone.
(Fig. Q)
In this position, place the other side of
the bike into the right side (rear cog side)
coupling cone. Make sure your derailleur
cable goes OVER the coupling.
Now, push down (lower) the Quick Hub
Clamp Lever until it fully engages the
skewer or axle nut. (Fig. R)
Make sure the Quick Clamp Hub Lever
is lowered into its locked position and
cannot be lowered any further.
The frame may appear slightly open but
this is normal.
If the frame seems to be opened too
widely, re-mount your bike following
the instructions. Failure to do so could
damage your bike and/or the trainer.
Now, grab the saddle of your bike and rock the bike back and forth to make sure your bike is securely in
the trainer. Your bike should not move independently of the trainer where it is attached.
Tighten the red Lock Ring rmly to x the left side coupling position. (Fig. R)
- 5 -
Lock Ring Left Side Coupling
Right Side Coupling
Quick Hub
Clamp Lever
!If your bike's rear hub axle is NOT a quick release skewer type, but a hub nut type,
you don't need to use the supplied skewer and replace the left side coupling bolt to the
optional one; "Left Side Coupling Bolt for Fixed Hub Nut".
Quick Release Skewer
(The wheel is not shown here)
(Fig. O)
(Fig. P)
(Fig. Q)
(Fig. R)
Standard Left Coupling Hole Size: Diameter 17mm / Depth 14mm

How To Use Foot Pedal
The Foot Pedal is a convenient device to engage/release the drive roller to/from the rear tire quickly, and
it keeps the proper pressure of the drive roller to the tire without adjusting everytime you use the TWIN.
To maintain the tire life as long as possible, you should adjust correctly, especially in the beginning.
2
3
4
<Pedal Operation> To engage the roller: Push down the pedal (Fig. S)
To release the roller: Pull up the pedal (Fig. T)
!While we call this a "Foot Pedal", we do not recommend you use your foot to operate it.
For accurate adjustment, please use your hand.
How To Maintain Proper Roller Pressure
5
Lift up the Mag unit towards the rear tire until the
clearance between the tire and roller is about 2 mm.
While keeping this position, turn the red adjust knob
under the Foot Pedal clockwise until the inside bolt
touches the black steel base plate (see Fig. U).
At this point, stop tightening the knob and gently but rmly
push down the Pedal to engage the tire to the roller.
It is normal that the tire is compressed by 3-4 mm.
Adjust the knob if the contact is not too much nor too little.
Now, hop on your bike and give it a spin. If your tire slips, tighten the knob in 1/4 - 1/2 turns more.
If the tire drags or you smell burning rubber, back off contact until you achieve proper contact.
!If the roller pressure to the tire is not adjusted properly, premature tire wear can be
expected. Too little pressure is worse than too much pressure for good tire life.
6If always using the same bike and tire, no further adjustment should be needed than operating the pedal.
- 6 -
Foot Pedal
Adjust Knob
1Inate the rear tire to maintain the air pressure
properly. Too less air pressure should cause
premature tire wear.
(Fig. S) (Fig. T)
(Fig. U)

Decrease
Increase
How To Operate Remote Shifter
TWIN comes with a convenient remote shifter device.
By installing it on your handlebar or stem, you can adjust the resistance
level in 13 levels without getting off the bike.
The plastic band is soft enough to t aero-shaped carbon handlebar or
round shaped stem as well as the standard round dimension handlebars.
How to install the remote shifter
1) Wind the plastic band around the handlebar
2) Hook the tip to the gutter on the plastic shifter base (Fig. V-1)
3) Flip up the lever to lock (Fig. V-2)
How to increase the resistance level
Twist the shifter dial toward "H" symbol
How to reduce the resistance level
Twist the shifter dial toward "L" symbol
!"L" is not zero resistance. There is still some resistance
at "L" level due to the roller compression to the tire.
The remote shifter is pre-adjusted to t the standard handlebar size;
22mm (7/8") diameter.
If it becomes loose or too tight, or you need to install the shifter onto
an oversized handlebar or stem, adjust the band length by turning the
plastic screw with an M4 hex wrench (see Fig. Y).
How To Adjust Remote Cable
If you cannot shift at L or H position, it's time to adjust the cable tension.
1) Set the remote shifter lever at "H" position and straighten the cable.
2) Pull off the black plastic cap on foot of the cable, then the adjusting
screw will appear. (Fig. Z)
3) While pushing the outer cable toward the shifter, push the adjusting
screw to the outer cable. (Fig. Z & AA)
4) Turn the lock nut until it touches the Mag unit. You shouldn't overtighten
the nut, otherwise you won't be able to set the shifter at "L" position.
5) Insert the plastic cap again.
- 7 -
Adjusting Screw
Lock Nut
Cap
Tighten nut until it touchs housing
1
2
You must release the hook
for adjusting screw
Indicator
(white dot)
!Do not overtighten the plastic screw. It will break the
plastic band. Release the hook before adjusting.
(Fig. V)
(Fig. X)
(Fig. Y)
(Fig. Z) (Fig. AA)
(Fig. W)

TWIN Schematics
UF-1
UF-2
UF-3
UF-4
UF-5
UF-6 UF-7
UF-8
UF-9
UF-10
UF-10
UF-12
UF-11
UF-13
UF-14
UF-15
GM-1
TM-6
TM-5
TM-3
TM-2
GM-7
GM-8
GM-9
GM-10
GM-11
GM-12
GM-13
GM-14
GM-15
TM-4
UF-1 : Main Frame GM-1 : V270 / TWIN Flywheel
UF-2 : U-Leg (Chrome Plated) GM-7 : Drive Roller Holder
UF-3 : Alloy Leg Guide GM-8 : Flywheel Nut Cap
UF-4 : Height Adjuster Cap GM-9 : Axle End Cap
UF-5 : Height Adjuster Knob GM-10 : Mag Unit Fitting Bracket
UF-6 : Right Side Coupling & Clamp Lever (Red) GM-11 : Rubber Shim
UF-7 : Clamp Lever Guide GM-12 : Mount Base
UF-8 : Left Side Coupling GM-13 : Rubber Washer Set
UF-9 : Coupling Lock Ring (Red) GM-14 : Foot Pedal
UF-10 : U-Leg Bushing GM-15 : Foot Pedal Adjust Knob Set
UF-11 : U-Leg Pivot Sleeve TM-1 : TWIN Remote Shifter
UF-12 : Alloy Leg Support Bracket Cover TM-2 : TWIN Drive Roller
UF-13 : Ruber Cap TM-3 : TWIN Housing Cover
UF-14 : Pivot Bolt Set (Long) TM-4 : TWIN Main Housing
UF-15 : Pivot Bolt Set (Short) TM-5 : TWIN Alloy Sleeve
TM-6 : TWIN Alloy Rotor
!
CAUTION
Do NOT touch TM-6 "Alloy Rotor"
during and 15 minutes after workout.
It's VERY HOT and may burn you.
TM-1