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NEWMEN

NEWMEN Evolution SL CL Rear Hub Disc Straight Pull 12x142mm (2020)

ID: 695742
2 775 kr
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The heart of the rear hub is the freewheel system. Newmen exclusively use the more expensive and elaborate toothed pulley freewheels, which have been used extremely successfully for years. The two toothed pulleys guarantee - other than pawls freewheels - that all teeth are always fully in use. With pawl freewheels, on the other hand, only one pawl can be engaged in the worst case. This not only places extreme stress on the hubs and freewheel bearings, but also usually results in a total failure under heavy load (e.g. steep uphill). Only high-quality, double-sealed industrial bearings with a special grease filling are used on the rear wheel hubs. The grease used by Newmen offers a 25 % higher water absorption capacity and a very high bleeding temperature, which protects the bearings from premature wear and corrosion. The 17 mm oversize rear axle is internally butted for weight reasons and offers high torsional stiffness. In addition to the more modern design of the Straightpull hubs, there are other main advantages of these hubs: The non touching spokes which can not cause unpleasant noises and the spoke heads which can not work into the spoke flange. The high tolerance accuracy of all components is perfectly rounded off by the TA-Caps. The TA-Caps (Tolerance Adjustment-Caps) are used to compensate all component and assembly tolerances and ensure a long and smooth running of the bearings or hubs.

Toothed pulley freewheel vs. pawl freewheel
All teeth are ALWAYS in use with the pulley freewheel. With pawl freewheels, on the other hand, it can happen that in the worst case only one pawl is used. Tip: Turn the freewheel of a pawl hub very slowly backwards, then you will hear one pawl after the other engage, if this happens during a hard start, then this is the K.O. for the freewheel. The pulleys developed by NEWMEN are made of high-strength tool steel.

Detaljer

  • Utan viktbegränsning
  • Bearing hub body: 17 x 26 x 5
  • Bearing freewheel: 17 x 26 x 7
  • With 20-tooth freehub
Specifikation
Användningsområde
Racer/Urbancykel  
Typ
Straightpulnav  
Modell
Bakhjul  
Kompatibel med kassett
11-speed  
Nav
Lager: Industrilager
Axeldiameter: 12 mm
Monteringsbredd: 142 mm
Material: Aluminium 7075
Tätade lager: ja
Antal ekerhål: 24
Bromstyp: Skrivbroms Center lock
Axel: full-floating axle
Baknav
Kompatibel med växel: Kassettnav  
Vikt
183  g
Kön
Unisex
Aktuell i vårt sortiment
2020
Produktnummer
695742
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