UltraHubs 62+157gr.

Swiss watch detailing.

 

UltraFront SL 62gr.

Nothing is "mini", everything is oversized: axle, bearings, ratchet, flanges.

 

Weight: 62gr.

Material: special 7075TX.

Bearings: 2RS sealed cartdrige.

Micro-Tuner: quickest bearing preload system.

Finishing: "hart coat" sides, black anodized body.

Construction: 17mm oversized hi-engineered axle.

Graphics: laser etched.

Option: Hybrid ceramic bearings.

 

Dimensions for wheel building:

Avaiable drillings
16 - 18 - 20 - 24

Center to flange

int. 34mm, ext. 37mm
Flange diameter (spoke drilling)
43mm (34mm)

Spoke hole diameter

2,5mm

 

Radial lacing is allowed on interal flange side and only with D/B spokes (central section equivalent to Ø 1.5mm).

Micro-tuner allows an easy and quick bearing preload adjustment, no-tools required!

Flanges recive our new special treatments (military standard) to handle radial lacing stress.

To minimize torsional static forces flanges self-align under spoke lacing tension.

 

FEM: every single cubic mm recives hours of finite element analysis. UltraHubs axles and mechanism have been designed to handle any X-C racing abuse.

As every Extralite products UltraHubs exceede UNI/DIN Safety standards. Safety tests simulate a very strong 90kg (200lb) rider output.

 

 

UltraRear SR 157gr.

 

The finest engineered hub worldwide.

 

Weight: 157gr.

Material: special 7075TX / GRD5 Titanium.

ExternalBearings: 2RS sealed cartdriges.

InternalBearings: mega 20-32 main axle / Ertalite®.

Construction: multishaped 20-17mm oversized axle.

Finishing: "hart coat" sides, black anodized body.

Micro-Tuner: quickest bearing preload system.

MegaDrive: Hyper engineered freewheel.

Graphics: laser etched.

 

Dimensions for wheel building:

Avaiable drillings
20 - 24 - 28 - 32
Spoke hole diameter
2,4mm
Flange diameter (spoke drilling) left side
43mm (34mm)
Flange diameter (spoke drilling) chain side
59mm (50mm)
Center to left flange (SR version)
42mm int, 45mm ext

Center to right flange (SR version)

17.5mm int, 20.5mm ext

Radial lacing is allowed on left interal flange side and only with D/B spokes (central section equivalent to Ø 1.5mm ).

 

Micro-tuner: easy and quick external bearing preload system ensures smooth running and no play.



Hi-tech oversized cassette handles over half-ton of chain pull.

Titanium ratchet wheel with 30 engaging positions.

 

FEM: every single cubic mm recives hours of finite element analysis. UltraHubs axles and mechanism have been designed to handle any X-C racing abuse.

As every Extralite products UltraHubs exceede UNI/DIN Safety standards. Safety tests simulate a very strong 90kg (200lb) rider output.

 

100% made in Italy