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OVERSIZED PULLEY SYSTEM SHURIKEN TK1729S 11s

ZENITH

Bearings: TBT
Pulley Wheel: Upper 12T, lower 19T
RD Compatibility: SHIMANO R9100, R9150(Di2), R8000, R8050(Di2) 11s
Drivetrain: 16T (chainring) + 23T (cassette)
Cogs: 34T
Plate material: Matte 3K carbon
Pulley material: Aluminium with titanium coating
Colour: Matte carbon black
Weight: 69,5 g/set

      

 

 

We all know that the rear derailleur is the key component that differentiates drivetrain performance the most. The best shift precision and durability can only be found on the very top models, regardless of their generation.

For 34 tooth cassettes maximum.

Display: TOKEN box

T201X00

Technology

Conti-Wave®: Innovation for Quiet Performance

One of the most common concerns among performance-focused riders and professional mechanics is drivetrain noise. TOKEN investigated the root causes: the chain’s entry angle, the contact area, and the frequency of engagement with the derailleur pulley wheels.

Testing revealed that when the chain enters the derailleur from different angles, conventional pulley tooth profiles often fail to guide it smoothly. This leads to inconsistent contact and micro-friction—two key contributors to the higher noise levels typically associated with alloy pulleys.

To address this, TOKEN developed the patented Conti-Wave® tooth profile. Its continuous chamfer and wave-shaped teeth reduce the contact area between pulley teeth and the chain’s inner plates by 82.5%, ensuring smooth and quiet chain engagement—even under varying chain entry angles.

 

Test Results

CLICK HERE: SEE HOW IT´S TESTED

  • CNC alloy pulleys with Conti-Wave (R) technology produced lower noise levels than standard OEM POM pulleys.

  • This debunks the myth that "alloy pulleys are always noisier".

Ideal for riders who want the precision, low friction, and long service life of alloy jockey wheels without drivetrain noise.