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EXTRALITE Hub Set HyperBoost3 silver | Enduro Bearings Stainless Steel Shimano Micro Spline 36 Teeth BOOST

Item number:
55092
Product weight:
233 g
Manufacturers:

717,00 €
MSRP: 717,00 €

including 19% VAT. , free shipping (DE) / shipping time info

Availability:
available from stock
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Product details

Description

EXTRALITE hub set HyperBoost3 silver | Enduro Bearings stainless steel bearings Shimano Micro Spline 36 teeth BOOST

Stable, precise and incredibly light. With the HyperBoost3 hubs, the Italian lightweight specialists are raising the bar even higher.

With a weight of 233 grams, the HyperBoost3 hub set is one of the lightest pairs of hubs that money can currently buy. Elaborate computer simulations, countless prototypes and a long test phase under the toughest conditions guarantee you a long service life.

Despite their low weight, hubs are approved for enduro use if you drive well. The freewheel mechanism has also been optimized. The toothed disc in the hub body has lost 20% of its weight and sits in a newly developed tooth system. In addition to improved engagement speed when accelerating, this also reduces resistance when rolling. The service life and wear have also been optimized by these changes compared to the predecessor. Those who prefer a harder pace can install larger 6903 2RS bearings on the disc sides of the front and rear wheel hubs. The weight then increases by 8 grams per hub, but the hubs are significantly more durable and able to withstand higher loads.

As usual from Extralite, the hubs are perfectly finished. Minimal tolerances and high-quality materials leave no doubt as to the quality and stability of these works of art. The silver hub shells rotate on 6803 2RS deep groove ball bearings around the multiple butted axle . O-rings on each side provide additional protection against water and dirt. For a long service life of your bearings, you can use Micro-Turner to perfectly adjust the bearing play at any time.
In addition to the organic oversized shape, the modern concept of the hubs also includes the spoke flanges, which are intended for straightpull spokes. The straight spokes result in a straighter power flow and the elimination of the curved spoke head means there is one less potential weak point in the wheel.

36 teeth freewheel mechanism
The spur gear has 36 teeth. This results in a maximum idle travel of 10° when accelerating.

stainless steel bearings
Best corrosion resistance and the optimal choice if the wheel is often used in adverse conditions.

We would be happy to make you an offer for a complete custom wheelset with rims and spokes of your choice. Please email us at [email protected] !


technical data front wheel hub:

intended use : Cross Country, Marathon, Enduro
Material: aluminum 7075TXX, steel
Axle standard: 15x110 mm thru axle type (BOOST / Outboard)
Number of holes: 28
Brake disc mount: 6-hole (IS2000)
bearing : 2x 6803 2RS deep groove ball bearings, Enduro Stainless Bearings 440C
Seal: labyrinth rubber seals, O-ring seal
Spoke type: Straightpull (straight)
Features: Bearing option 6903 2RS "Heavy Duty" on disc side
Spoke Tension: 1177N (Disc Side), - (Drive Side)
maximum system weight: kA
Colour: silver with laser logo

Weight according to the manufacturer: 74g
Weight weighed: 73g


technical data rear hub:

intended use : Cross Country, Marathon, Enduro
Material: aluminum 7075TXX, steel
Axle standard : 12x148 mm thru axle type (BOOST / Outboard)
Number of holes: 28
Brake disc mount: 6-hole (IS2000)
Freewheel Compatibility: Shimano Micro Spline 12-speed
Freewheel type: toothed disc freewheel, 36 detents per wheel revolution
Freewheel bearing : 2x 6803 2RS deep groove ball bearings, Enduro Stainless Bearings 440C
bearing hub body: 1x 6803 2RS (disc side), 1x 6903 2RS deep groove ball bearing (middle), Enduro Stainless Bearings 440C
Seal: labyrinth rubber seals, O-ring seal
Spoke type: Straightpull (straight)
Features: Bearing option 6903 2RS "Heavy Duty" on disc side
Spoke tension max.: 1275N (Disc Side), 1275N (Drive Side)
maximum system weight: kA
Colour: silver with laser logo

Weight according to manufacturer: -
Weight weighed: 159g (including lock ring)


Scope of delivery:

1x EXTRALITE front hub HyperBoost3 F silver | Enduro Bearings stainless steel bearing 15x110 mm BOOST
1x EXTRALITE rear hub HyperBoost3 R silver Enduro Bearings stainless steel bearings SRAM XD 36 teeth 12x148 mm BOOST
1x EXTRALITE lock ring Shimano 12-speed for Hyper Special freewheel body