2Bros Parts

REAR SPROCKET STEEL 50 [JTR301/210.50] 520, DOUBLE DRILLED JTR301, JTR210

£18.17

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UK delivery £4.99, free over £60 2–4 business days

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The Rear Drive Sprocket SR301-50.S.DR is a 50-tooth steel sprocket designed for motorcycles using 520 chain systems. It is made with C45 high-carbon steel, heat treated and sandblasted to reduce surface tension. Features a dual-hole design with Countersunk CSK 8.5 mm and CTB Plain 10.5 mm bolt-hole patterns for compatibility with various models. This sprocket is finished in powder-coated black or bright zinc plated silver, engineered for durability and consistent performance. Specifications include a tooth count of 50, chain size of 520, and part number SR301-50.S.DR. Cross-reference OEM part numbers include JTR301.50, JTR210.50, L17-0250, and MX-80350.

Specifications
SKU
SR301-50.S.DR
Brand
Dirt Racing
Availability
In Stock (14)

Fitments (23)

MakeModelYear
HONDACRF L 2502013
HONDACRF L 2502014
HONDACRF L 2502015
HONDACRF L 2502016
HONDAXR 2501996
HONDAXR 2501997
HONDAXR 2501998
HONDAXR 2501999
HONDAXR 2502000
HONDAXR 2502001
HONDAXR 2502002
HONDAXR 2502003
HONDAXR 2502004
HONDAXR 4001996
HONDAXR 4001997
HONDAXR 4001998
HONDAXR 4001999
HONDAXR 4002000
HONDAXR 4002001
HONDAXR 4002002
HONDAXR 4002003
HONDAXR 4002004
HONDAXR 4002005
General Product Group
Chain & Sprockets
General Product Type
Sprockets & Components (Rear)
Variant Id
278202
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Dirt Racing REAR SPROCKET STEEL 50 TOOTH 520 CHAIN

Upgrade your motorcycle's drivetrain with the REAR SPROCKET STEEL 50. This high-performance rear sprocket is engineered for durability and precision, utilizing C45 high-carbon steel for robust construction. It features a heat-treated and sandblasted surface treatment designed to reduce surface tension, contributing to its longevity.

Designed with versatility in mind, this sprocket offers a double-drilled configuration with two bolt-hole patterns: countersunk CSK 8.5 mm and CTB Plain 10.5 mm, ensuring compatibility with a range of applications. Available in either a powder-coated black finish or a bright zinc-plated silver finish, it combines functionality with aesthetic appeal.

Key Features:

  • Constructed from C45 high-carbon steel for superior strength.
  • Heat-treated and sandblasted for enhanced durability.
  • Dual bolt-hole patterns: Countersunk CSK 8.5 mm and CTB Plain 10.5 mm.
  • Available in powder-coated black or bright zinc-plated silver.

Specifications:

  • Tooth Count: 50
  • Chain Size Compatibility: 520
  • Material: Steel

Cross-Reference Part Numbers:

  • JTR301.50
  • JTR210.50
  • L17-0250
  • MX-80350
Before you buy

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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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