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RENTHAL Twinring™ Rear Sprocket - 49 Tooth - Black 1230-520-49GPBK

RENTHAL Twinring™ Rear Sprocket - 49 Tooth - Black 1230-520-49GPBK

$111.15 USD
$126.30 USD $111.15 USD
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  • Inner ring is the same high strength Ultralight™ 7075 T-6 aluminum used for the standard Renthal sprocket
  • Outer ring is electro-less nickel coated steel for ultimate durability and is designed with the minimum amount of material to keep weight down
  • The outer ring is expanded at 200°C and then fitted over the inner; this interference fit combined with the wave pattern ensures a permanent bond for the life of the chainwheel
  • The flat socket head screws add additional strength to the chainwheel during side impacts and eliminates contact with the chain guide
  • Self cleaning mud grooves between each tooth prevent dirt build upand reduce chainwheel wear and weight
  • Will outlast a standard all aluminum sprocket by 3 times, yet is much lighter than an all steel rear sprocket
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