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Nexo Ratchet Z1 Boost MTB Rear

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Sram XD freehub out of stock

We have developed this hub with the highest requierements for our PMRA PRIMAFLOR - MONDRAKER Team and for users of all levels.

We combine lightweight and maximum durability with a Ratchet system instant engagement. We also incorporate ceramic bearings, bigger size for long lasting and right spoke anchor to achive more lateral stiffnees.

Ultra reliable semi-floating Ratchet system with 24 steel teeth.

Bearing sealing with a laberynth design, zero-friction and it closes when receives pressure from water or mud from outside.

For 1 year, one of our greatest riders of PRMA Team, Jofre Culllell, has been testing this hub in all his races and trainings with excelent performance and results.

"I have not even changed the bearings and they keep as the first day."
Jofre Cullell (PMRA PRIMAFLOR-MONDRAKER rider).

Spare parts


The new generation Ratchet

- NEXO RATCHET Z1

- INSP > INSTANT POWER TRANSMISSION

- RRF > REDUCED RATCHET FRICTION WITH FLAT TEETH

- FLS > FLOATING Ø FRICTION SEAL WITH AUTOMATIC CLOSURE

- OVERSIZE CERAMIC BEARING > LOW FRICTION FRONT(Ø 30X17) REAR (Ø28X15)   

- TOOL FREE > EASY TO MAINTAIN

- CNC CRAFTED > 7075T6 ALUMINUM 

- PALTECH > 100% BEARING ALIGNMENT

- RACE PROVEN > 2 YEARS UCI MTB WORLD CUP

- SUPER LIGHT WEIGHT > FRONT 134G / REAR 244G


Rear Axle: 12x148mm Boost
Hole count: 28
Disc Mount: Center Lock
Weight: 244 gr
We create winning wheels
Ironman
World Triatlon
Enduro World Series
UCI