Explore ProX’s range of high-performance drivetrain components for dirt bikes, road motorcycles, and ATVs. From front (countershaft sprockets) and rear sprockets to drive chains and chain rollers, we offer top-quality products designed for durability and longevity. ProX rear sprockets come in various sizes and materials, including aluminum and Ultralight steel. Manufactured by leading suppliers, ProX drive components ensure reliability across motocross, off-road, and street applications. Choose from standard and Gold chain versions in MX and X-ring styles, tailored to meet the demands of your ride. Upgrade your drivetrain with confidence with ProX.

Showing 1–16 of 18 results

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    ProX Steel Rear Sprocket YFZ450R + YFM700R -39T


    Your Price: $32.54     SKU 07.RS24004-39

    ProX Racing Parts Steel Rear Sprocket YFZ450R ’09-23 + YFM700R ’06-23 -39T-

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    ProX Steel Rear Sprocket YFZ450R + YFM700R -40T


    Your Price: $32.54     SKU 07.RS24004-40

    ProX Racing Parts Steel Rear Sprocket YFZ450R ’09-23 + YFM700R ’06-23 -40T-

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    ProX Steel Rear Sprocket YFZ450R + YFM700R -38T


    Your Price: $32.54     SKU 07.RS24004-38

    ProX Racing Parts Steel Rear Sprocket YFZ450R ’09-23 + YFM700R ’06-23 -38T-

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    ProX Chain Roller CR250 + CRF250R


    Your Price: $23.09     SKU 33.0015

    ProX Racing Parts Chain Roller CR250 ’05-07 + CRF250R ’05-16.

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    ProX Chain Roller CRF450R/X + KX250/450F


    Your Price: $23.09     SKU 33.0014

    ProX Racing Parts Chain Roller CRF450R/X ’05-17 + KX250/450F ’07-21.

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    ProX Chain Roller CRF150/230F


    Your Price: $9.26     SKU 33.0013

    ProX Racing Parts Chain Roller CRF150/230F ’03-19.

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    ProX Chain Roller KX65 + KX85/100


    Your Price: $9.26     SKU 33.0012

    ProX Racing Parts Chain Roller KX65 ’00-21 + KX85/100 ’01-21.

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    ProX Chain Roller CR80/85 + CRF150R


    Your Price: $9.26     SKU 33.0011

    ProX Racing Parts Chain Roller CR80/85 ’96-02 + CRF150R ’07-21.

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    ProX Chain Roller CR250 + CRF250X


    Your Price: $18.53     SKU 33.0010

    ProX Racing Parts Chain Roller CR250 ’02-04 + CRF250X ’04-17.

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    ProX Chain Roller KX60/80 + YZ80/85


    Your Price: $13.64     SKU 33.0009

    ProX Racing Parts Chain Roller KX60/80 ’83-00 + YZ80/85 ’83-21.

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    ProX Chain Roller RM80/85 + CR250


    Your Price: $18.53     SKU 33.0008

    ProX Racing Parts Chain Roller RM80/85 ’87-21 + CR250 ’92-97.

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    ProX Chain Roller CRF250R + CRF450R


    Your Price: $23.09     SKU 33.0007

    ProX Racing Parts Chain Roller CRF250R ’04-09 + CRF450R ’02-09.

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    ProX Chain Roller CR125/250


    Your Price: $18.53     SKU 33.0006

    ProX Racing Parts Chain Roller CR125/250 ’85-91.

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    ProX Chain Roller KTM125/200/250/300/360/380/450/520/525


    Your Price: $23.09     SKU 33.0003

    ProX Racing Parts Chain Roller KTM125/200/250/300/360/380/450/520/525.

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    ProX Chain Roller RM125 + KX125/250


    Your Price: $18.53     SKU 33.0002

    ProX Racing Parts Chain Roller RM125 ’80-00 + KX125/250 ’82-83.

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    ProX Chain Roller RM125/250 + RM-Z250/450


    Your Price: $18.53     SKU 33.0001

    ProX Racing Parts Chain Roller RM125/250 ’01-12 + RM-Z250/450 ’04-21.

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