• Description

  Made from advanced aviation-grade 7075-T6 aluminum alloy, optimal lightweight design and CNC-machined for performance and lifespan! All aluminium MX rear racing sprockets are manufactured from the best materials with a special self-cleaning design, and hand-finished to perfection.

  • Made from the finest 7075-T6 aluminum.
  • Designed and built with the latest generation of computer design and control metal cutting equipment for maximum durability.
  • Heat-treated and hand-finished to meet or exceed the highest possible quality standards.
  • Note: Designated models require the purchase of a JT Sprocket Carrier, sold separately.

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• Fitment

• # Part Numbers for the JT Aluminum Rear Sprocket

  Product Variant	Manufacturer Part #
  520 / 36T / Requires JT Sprocket Carrier	JTA751.36
  520 / 38T / Requires JT Sprocket Carrier	JTA751.38
  520 / 40T	JTA478.40, JTA897.40
  520 / 40T / Requires JT Sprocket Carrier	JTA751.40, JTA762.40
  520 / 42T	JTA1308.42
  520 / 42T / Requires JT Sprocket Carrier	JTA751.42
  520 / 43T	JTA1308.43, JTA1793.43, JTA478.43
  520 / 44T	JTA1308.44, JTA486.44
  520 / 45T	JTA1308.45, JTA1793.45, JTA486.45, JTA897.45
  520 / 46T	JTA1308.46
  520 / 47T	JTA1793.47, JTA897.47
  520 / 48T	JTA1303.48, JTA486.48, JTA897.48
  520 / 49T	JTA897.49
  520 / 50T	JTA897.50
  520 / 51T	JTA1303.51, JTA897.51
  520 / 52T	JTA897.52
  525 / 36T / Requires JT Sprocket Carrier	JTA752.36
  525 / 38T / Requires JT Sprocket Carrier	JTA752.38, JTA761.38
  525 / 39T / Requires JT Sprocket Carrier	JTA752.39
  525 / 40T / Requires JT Sprocket Carrier	JTA752.40
  525 / 41T / Requires JT Sprocket Carrier	JTA752.41
  525 / 42T	JTA1792.42
  525 / 42T / Requires JT Sprocket Carrier	JTA752.42

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