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Twinring Rear Sprocket
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  • Twinring Rear Sprocket

Twinring™ Rear Sprocket

€135.80
€122.22 Save 10%
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Sprocket with an Ultralight™ 7075 T6 aluminum core and nickel‑plated steel outer section, engineered with a minimal amount of material. The outer ring is thermally expanded at 200°C for a permanent fit; flat‑head screws enhance lateral rigidity; self‑cleaning mud‑shedding grooves; lifespan three times longer than standard aluminum sprockets, and lighter than a steel sprocket.
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  • The inner core is machined from Ultralight™ 7075 T‑6 aluminum, a high‑strength alloy also used on the standard Renthal sprocket, ensuring stiffness and reliability.
  • The outer shell is made from chemically nickel‑plated steel to provide superior durability; its design uses only the minimum amount of material to keep weight to an absolute minimum.
  • The outer component is expanded at 200 °C before being fitted onto the inner core; this type of assembly, combined with the wavy profiles, creates a permanent joint that lasts as long as the chain itself.
  • Flat‑head screws increase the sprocket's resistance to lateral impacts and prevent any contact with the chain guide, improving safety and overall longevity.
  • Self‑cleaning mud‑shedding grooves located between each tooth prevent debris buildup, reduce wear, and help reduce the sprocket's weight.
  • Service life is tripled compared with standard all‑aluminum sprockets, offering significantly greater longevity.
  • This hybrid design provides an optimal compromise: much lighter than a full‑steel sprocket while retaining high strength.
RENTHAL
12100983
15 Items

Data sheet

Nombre de dents
48
Position de montage
Arrière
Taille de la chaîne
520
Marque
RENTHAL
Référence fournisseur
2240-520-48GPOR
Couleur/finition
Orange
Modèle
Twinring
Nom du produit
Pignon
Type
Transmission
Unités
Pièce
Matière
Aluminium 7075-T6
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