CyberRear SL 134g.

More miles, less weight.


Weight: 134g.

Drilling: 20, 24, 28h.

Material: special AL7075TX & Grade5 Titanium.

Bearings: ABEC5 cartridges 1x6903-2RS 3x6803-2RS.

Compatibility: Shimano-Sram 8/9/10/11S, Campagnolo 9/10/11s.

Axle construction: multishaped 17mm, milled to micro tolerances.

Body construction: 3D multiaxial machining all in 1 stage.

Finishing: black anodized body, "hart-coated" axle-ends.

Micro-tuner: the quickest bearing preload system.

Freewheel: Hyper engineered 2pawls OR-Drive.

Graphics: laser etched.

Optional: HDC-Hybrid-ceramic bearings.

Download user manual

Dimensions for wheel building

Spoke hole : 2.6mm
Left flange drilling : 33mm
Centre to left flange: 42mm
Centre to right flange: 19mm
Right flange drilling : 52mm

Here you will find pre-calculated spoke lengths, spoke patterns and wheel building tips:

CyberRear SL lacing instructions


New 4-bearing design for long lasting performance.

New oversized titanium ratchet wheel with a precise 32T pawl engaging system.


Micro-tuner: our easy and quick external bearing preload system that ensures precise tuning, smooth running and no play at the rim.

Equipped with ABEC5 cartridge bearings featuring Grade 5 Chromium Steel Balls, 52100 Hi-Carbon Chromium Alloy Races, Nylon-Graphite Ball Retainers. Fully serviceable.


Very light: a weight nearly as low as hybrid ceramic versions.

Special low friction SRS axial seals on main hub bearings, 2RS protective seals on freewheel bearings.


Hi-tech rarely combines with maintenance easiness, not here!

As with all Extralite products CyberHubs exceed UNI/DIN Safety standards.


100% made in Italy