SPROCKETS
Steel and Aluminum Rear Sprockets
SPROCKETS
ALUMINUM WORKS TRIPLESTAR REAR SPROCKETS
  • Sunstar is the largest OEM and aftermarket supplier of motorcycle and ARV sprockets in the manufacturing world for
  • every major Japanese motorcycle builder since 1946
  • Constructed of high-quality, aerospace grade 7075  T-6 aluminum
  • Computer-designed weight reduction holes for the best combination of lightness, strength and stability
  • Exclusive tooth-valley design provides 50% better chain contact area for the best power transfer possible
  • Countershaft
  • Hard anodized coating for added durability and a superb finish
  • sprockets
  • Cleaning grooves added at bottom of tooth area
  • STEEL OEM REPLACEMENT REAR SPROCKETS
  • Constructed of the highest quality 1045 high-carbon steel
  • Exclusive heat treatment and quenching process for strength and durability
  • The strongest, longest lasting steel replacement sprocket available
  • POWERDRIVE COUNTERSHAFT SPROCKETS
  • Manufactured from case-hardened chromoly steel for unparalleled strength and durability
  • Parkerizing surface treatment prohibits rust and corrosion, building resistance against those agents, resulting in a longer lasting,
  • better appearance
  • Most race applications feature drilled weight-reduction holes (depends on application/ tooth size)
  • Constructed of the same great quality and specifications that the Japanese OEMs have trusted and used since 1946
  • STOCK
    STOCK
    FRONT
    REAR
    SPROCKET
    STOCK
    STOCK
    FRONT
    REAR
    SPROCKET
    FITS MODEL
    GEARING CHAIN
    SIZE
    PART #
    SIZE PART #
    TYPE
    FITS MODEL
    GEARING CHAIN
    SIZE
    PART #
    SIZE PART #
    TYPE
    BETA
    GAS GAS (CONT)
    RR250 05-09
    14-52
    520-
    12
    1212-0263 42
    2-363142 (Steel)
    EC250F 12
    13-50
    520-
    12
    38812
    42
    2-363142 (Steel)
    RR250 2T 13
    13-49
    520-
    13
    35713
    43
    2-363143 (Steel)
    EC250F 13-15
    13-48
    520-
    13
    38813
    43
    2-363143 (Steel)
    RR350 12
    13-50
    520-114 14
    35714
    45
    1210-0958 (Steel)
    EC300F 13-15
    13-48
    520-
    14
    38814
    45
    1210-0958 (Steel)
    RR350 13-14
    13-49
    520-
    15
    1212-0742 47
    2-363147 (Steel)
    47
    2-363147 (Steel)
    RR400 05-09
    14-52
    520-114
    48
    1210-0959 (Steel)
    48
    1210-0959 (Steel)
    RR400 10-12
    13-50
    520-114
    50
    1210-0960 (Steel)
    50
    1210-0960 (Steel)
    RR400 13-14
    13-49
    520-
    51
    1210-0961 (Steel)
    51
    1210-0961 (Steel)
    RR450 05-09
    14-52
    520-114
    52
    1210-0962 (Steel)
    52
    1210-0962 (Steel)
    RR450 10-12
    13-48
    520-112
    HONDA
    RR450 13-14
    13-49
    520-
    XR50R 00-03
    14-37
    420-78
    14
    10714
    35
    1211-0130 (Works/ Gold)
    RR498 12
    13-48
    520-112
    CRF50F 04-17
    14-37
    420-78
    15
    10715
    37
    1210-0169 (Steel)
    RR498 13-14
    13-49
    520-
    39
    1211-0132 (Works/ Gold)
    RR520 10-11
    13-48
    520-112
    Z50A Mini Trail 69-71 13-34
    420-74
    -
    -
    37
    2-100337 (Steel)
    RR525 05-09
    14-50
    520-
    Z50A Mini Trail 72-78 12-37
    420-76
    GAS GAS
    Z50R 79-81
    12-37
    420-76
    EC125 03-11
    13-48
    520-112 -
    -
    42
    2-363142 (Steel)
    Z50R 82-87
    13-37
    420-76
    13
    10213
    37
    2-100337 (Steel)
    Enduro 125 00-02
    13-52
    520-118 -
    -
    43
    2-363143 (Steel)
    Z50RD 86
    14
    10214
    EC200 00-02
    13-51
    520-116 -
    -
    45
    1210-0958 (Steel)
    15
    10215
    EC200 03-11
    13-51
    520-114
    47
    2-363147 (Steel)
    Z50R 88-99
    14-37
    420-76
    13
    10213
    37
    2-100837 (Steel)
    EC250 00
    13-47
    520-114
    48
    1210-0959 (Steel)
    14
    10214
    EC250 01-15
    13-48
    520-112
    50
    1210-0960 (Steel)
    15
    10215
    EC300 00
    13-47
    520-114
    51
    1210-0961 (Steel)
    ZB50 88
    15-37
    420-100 13
    10213
    35
    2-102235 (Steel)
    EC300 01-11
    13-48
    520-114
    52
    1210-0962 (Steel)
    14
    10214
    36
    2-102236 (Steel)
    EC400 FSE 00
    13-48
    520-116
    15
    10215
    38
    2-102238 (Steel)
    SM400 FSE 03-04
    13-42
    520-112
    44
    2-102244 (Steel)
    EC450 FSE 03-10
    13-48
    520-116
    46
    2-102246 (Steel)
    SM450 FSE 03-05
    13-42
    520-112
    SPROCKETS continued on next page.
    2017 PARTS UNLIMITED OFFROAD