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Primary Drive

Primary Drive Chain and Sprocket Kit Aluminum Rear/O-Ring Beta 250 RX (2-Stroke) 2021-2026

Primary Drive Chain and Sprocket Kit Aluminum Rear/O-Ring Beta 250 RX (2-Stroke) 2021-2026

1437620289

$108.97 USD
$108.97 USD
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Fitment For:

  • Beta 250 RX (2-Stroke) 2026
  • Beta 300 RR 2021–2024
  • Beta 300 RR Race Edition 2021–2025
  • Beta 300 RX 2021–2025
  • Beta 300 Xtrainer 2022
  • Beta 350 RX (2-Stroke) 2026

Special Notes:

Notes for Kit Item: Primary Drive 520 ORM O-Ring Chain 520x114

  • For all Honda CRF bikes, and others that have a 1" diameter countershaft, Use Part # 2086080001.
  • Sprocket kits include the following
  • Stock size Primary Drive steel front sprocket
  • Stock size Primary Drive Alloy rear sprocket
  • Stock size Primary Drive O-Ring chain
  • Front sprockets are manufactured to OEM specs using high grade hardened steel.
  • Rear Aluminum Sprocket made from 7075 T-6 heat treated Aluminum.
  • Come with self-cleaning grooves.
  • All match original equipment exactly for perfect fit and size.
  • The ORM O-Ring chain provides outstanding durability and long wear characteristics making it perfect for motorcycles and ATV’s.
  • Features solid bushings with high quality pin material, O-rings and lubricant.
  • The unique design and profile of the chain ensures durability, and decreases wear on chain guides and swing arm rub plates.
  • Average tensile strength 7,850 lbs.
  • Clip style Master-Link included.
  • Always verify chain length currently or previously in use. Gearing adjustments may require chain length adjustments. Use Tusk HD Chain Breaker #1389240001.

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