Polygon Impression AX DISC (Grey)
Polygon Impression AX model is created for the couple or friends who don’t get to spend enough leisure time together. Built around an alloy frame, the Impression AX is designed with an upright position, low stand over height, and with tough 27.5” mountain bikes wheels. Polygon Impression AX is the perfect choice for riders who want to share one bike on their commute or leisure ride.
There are few better ways to share the enjoyment of cycling than with a Tandem. Tandem bikes are designed to be ridden with a captain in the front, and a stoker or passenger in the rear. The rider in the front controls the bike, leaving the rider in the rear, with nothing more to do than to assist with pedaling and enjoy the ride, in fact, the rear rider needs hardly any balancing skills at all.
This aluminum framed tandem is light; it's one of the lightest on the market. This makes it not only easy to ride, but also simple to put on any rear car rack. In fact, after taking the front wheel off the bike, it is not much longer than a regular adult mountain bike and can be fitted to any regular car.
This iteration of the tandem has been significantly improved. The wheels are larger 27.5' rims and are the wheel of choice for tandem bikes. When you are carrying two passengers, the forces that go through the wheel are much higher and as such you need strong wheels to survive any impact with gutters or harsh, unforgiving roads. Larger 700c, 'Road bike' wheels are inherently weaker and can result in warping or bending of the rim.
By having 27.5' wheels also allows for a lower standover height, this tandem can accommodate an incredible range of rider heights. Both riders benefit from adjustable stems and seat posts to ensure that both young and the young-at-heart will be comfortable on the bike.
The tires have been upgraded to balloon tires, these are much wider and more comfortable than traditional MTB or road tires.
A great feature on this bike is the drivetrain. Featuring a 24 speed Shimano Altus groupset complete with huge 11-32 speed rear cassette, you have all the gears you need to tackle the steepest of ascents. The drive train also features an eccentric bottom bracket ' this is the way the chain is tightened between the front and rear riders. Eccentric bottom brackets are by far the best system in the market. Trying to use a tensioner system is messy and unreliable; an eccentric bottom bracket like this is the only way to keep that chain on.
As the name indicates, the tandem now features disc brakes too. This has been the most desired upgrade over previous rim brakes. Disc brakes provide confidence inspired braking with much more consistent, and powerful braking in all conditions.
Specifications
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TYPE
TANDEM - SHIMANO ALTUS 24sp
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SIZE
17"
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FRAME
ALUTECH TANDEM FRAME
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FORK
HI-TEN FORK
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HANDLEBAR
ALLOY
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STEM
ALLOY
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HEADSET
ALLOY
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SADDLE
POLYGON
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SEATPOST
ALLOY
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CHAINWHEEL
PROWHEEL 24/34/42Tx170MM
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BOTTOM BRACKET
CARTRIDGE SEALED BEARING
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CHAIN
KMC Z-33 (F), KMC Z-7 (R)
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CASSETTE
SHIMANO ALTUS 8SP 11-32T
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SHIFTING LEVER
SHIMANO ALTUS
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BRAKE LEVER
TEKTRO
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FRONT DERAILLEUR
SHIMANO TOURNEY
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REAR DERAILLEUR
SHIMANO ALTUS
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FRONT BRAKE
TEKTRO MECHANICAL DISC
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REAR BRAKE
TEKTRO MECHANICAL DISC
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PEDAL
PLASTIC (Included)
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TIRE
27.5” x 1.95”
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RIM
ALLOY
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SPOKE
STAINLESS STEEL
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FRONT HUB
ALLOY 32H
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REAR HUB
ALLOY 32H
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WEIGHT
18 Kg
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Color
Black
Size Chart
Height (cm) | 145-185 |
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Seat Tube Length (A) | 430 |
Seat Tube Angle (B) | 73 |
Effective Seat Tube Angle (C) | 73 |
Head Tube Length (D) | 120 |
Head Tube Angle (E) | 71 |
Effective Top Tube (F) | 590 |
Bb Height (G) | 300 |
Bb Offset (H) | 50 |
Chainstay Length (I) | 460 |
Wheelbase (J) | 1795 |
Frame Reach (K) | 420 |
Frame Stack (L) | 555 |
Standover Height (M) | 726 |