Illusion chainring
Black chainring with white chevron graphics, the Illusion name and “Designed in Seoul”.
Unknown Bikes
Illusion Fixed Gear Crankset
165 mm crankset with 48T chainring, 144 BCD
The Illusion is the premium crankset from Unknown Bikes, built for lower weight and higher stiffness.
It comes with 165 mm crank arms and a 48T chainring on a 144 BCD spider. The black chainring carries white chevron graphics, the Illusion name and the words “Designed in Seoul”. The crankset is made from T6 6061 aluminium alloy and weighs 995 g. It fits a JIS square taper bottom bracket, which is not included.
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165 mm
Crank arms
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48T
Chainring
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144 BCD
Bolt circle diameter
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JIS
Square taper, BB not included
Key Features
Crank arm detail
Black crank arm with the Unknown emblem around the crank bolt.
Full set
Both crank arms and the chainring, shown together.
Specifications
| Crank arms | Unknown, 165 mm |
|---|---|
| Chainring | Unknown Illusion, 48T |
| BCD | 144 mm |
| Interface | JIS square taper |
| Material | T6 6061 aluminium alloy |
| Weight | 995 g (crankset only, without bottom bracket) |
| Included | Crank arms and 48T chainring. Bottom bracket not included. |
| Finish | Black, with white graphics |
Compatibility
| Bottom bracket | Needs a JIS square taper bottom bracket (not included) |
|---|---|
| Matching Unknown bottom bracket | JIS square taper, 68 mm shell, 110.5 mm spindle, 237 g (not included) |
| Chainring standard | 144 mm BCD |
| Before ordering | Check that your frame has a 68 mm bottom bracket shell. You also need a JIS square taper bottom bracket. |
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