Smooth Like Origin, Quiet Like Never Before – Meet Neutron Cassette V2

Upgraded shifting precision that rivals original gear. Refined noise control for a silent ride. This is Neutron Cassette MK2 – engineered to outperform.

Plus, choose your advantage:
⚡ DLC-Black Diamond Coating – Ultra-low friction for buttery-smooth shifts，better Performance on Sram chain or Sram groupset.
⚡ Enhanced PVD Coating – Maximum durability for relentless mileage，better Performance on Shimano chain or Shimano groupset.

Ride sharper. Ride quieter. #NeutronUpgrade

Exceptional shifting efficiency and super-lightweight advantage.

Teeth(12s):

• (11-30)  11-12-13-14-15-16-17-19-21-24-27-30 teeth
• (11-34)  11-12-13-14-15-17-19-21-24-27-30-34 teeth

Now we have new color! Gold-Purple:Just like The Lakers!