CHAINS
X-RING (XSO)
  • Pro X-ring chain lasts five to eight times longer than standard chain
  • Butadine rubber X-rings
  • Polished and shot-peened link plates
  • 520 XSO – For street and dirt bikes up to 750cc
  • GB 520 XSO – For street and dirt bikes up to 750cc
  • GB 520 XSO (GOLD COLOR)-CUT-TO-LENGTH
    LINKS
    P ART  #
    SUG. RETAIL
    LINKS
    P ART  #
    SUG. RETAIL
    108
    GB520XSO-108
    $101.48
    118
    GB520XSO-118
    $110.87
    520 XSO-CUT-TO-LENGTH
    110
    GB520XSO-110
    103.35
    120
    GB520XSO-120
    112.75
    LINKS
    P ART  #
    SUG. RETAIL
    LINKS
    P ART  #
    SUG. RETAIL
    112
    GB520XSO-112
    105.23
    130
    GB520XSO-130
    122.13
    100
    RK520XSO-100
    $82.57
    112
    RK520XSO-112
    $92.47
    DESCRIPTION
    P ART  #
    SUG. RETAIL
    102
    RK520XSO-102
    84.23
    114
    RK520XSO-114
    94.13
    Gold clip connecting links
    GB521XSO
    $7.93
    104
    RK520XSO-104
    85.87
    116
    RK520XSO-116
    95.78
    Rivet connecting links
    GB522XSO
    7.93
    RK520XSO-106
    87.52
    118
    RK520XSO-118
    97.42
    RK520XSO-108
    89.18
    120
    RK520XSO-120
    99.08
    GB 525 XSO (GOLD COLOR)-CUT-TO-LENGTH
    110
    RK520XSO-110
    90.83
    130
    1223-0723
    107.35
    LINKS
    P ART  #
    SUG. RETAIL
    LINKS
    P ART  #
    SUG. RETAIL
    P ART  #
    SUG. RETAIL
    108
    1222-0461
    $133.15
    116
    1222-0464
    $143.00
    R18-520XSO
    $1,585.37
    110
    GB525XSO-110
    135.62
    120
    GB525XSO-120
    147.95
    Clip connecting link
    R18-522XSO
    7.93
    112
    1222-0462
    138.08
    122
    1222-0465
    150.42
    Rivet connecting link
    R18-523XSO
    7.93
    114
    1222-0463
    140.53
    130
    1222-0466
    160.28
    DESCRIPTION
    P ART  #
    SUG. RETAIL
    525 XSO-CUT-TO-LENGTH OR BULK
    Rivet connecting link (gold)
    GB527XSO
    $8.90
    LINKS
    P ART  #
    SUG. RETAIL
    LINKS
    P ART  #
    SUG. RETAIL
    Rivet connecting link (standard)
    1225-0339
    8.90
    108
    1222-0455
    $120.85
    116
    1222-0458
    $129.82
    Clip connecting link (gold)
    1225-0353
    8.90
    1223-0726
    123.08
    120
    1223-0727
    134.27
    Clip connecting link (standard)
    1225-0338
    8.90
    1222-0456
    125.32
    122
    1222-0459
    136.50
    114
    1222-0457
    127.58
    130
    1222-0460
    145.47
    X-RING (XSOZ1)
    their stock chain size while reducing weight and increasing strength
  • By reducing overall material, it’s 12% lighter than its predecessor
  • Cut-to-length and bulk chains include rivet connecting link
  • 530 XSOZ1 – For street and dirt bikes up to 1000cc
  • GB 530 XSOZ1 – For street and dirt bikes up to 1000cc
  • 530 XSOZ1-CUT-TO-LENGTH OR BULK
    LINKS P ART  #
    SUG. RETAIL
    LINKS P ART  #
    SUG. RETAIL
    LINKS P ART  #
    SUG. RETAIL
    GB 530 XSOZ1
    100
    1223-0108
    $115.33
    112
    1223-0114
    $129.18
    122
    1223-1146
    $140.72
    (GOLD COLOR)-CUT-TO-LENGTH
    SUG.
    SUG.
    1223-0109
    117.65
    114
    1223-0115
    131.47
    130
    1223-1147
    149.92
    LINKS
    P ART  #
    RETAIL
    LINKS
    P ART  #
    RETAIL
    1223-0111
    122.25
    116
    1223-0116
    133.78
    140
    1223-1148
    161.45
    108
    1223-0112
    124.55
    118
    1223-0117
    136.10
    152
    1223-1149
    175.30
    110
    1223-0099
    $139.40
    120
    1223-0104
    $152.07
    110
    1223-0113
    126.87
    120
    1223-0118
    138.40
    114
    1223-0101
    144.45
    130
    1223-0105
    164.75
    116
    1223-0102
    147.00
    150
    1223-1150
    190.10
    P ART  #
    SUG. RETAIL
    100’
    1223-0106
    $2,214.35 DESCRIPTION
    P ART  #
    SUG. RETAIL
    Rivet connecting link
    1225-0095
    9.90 Rivet connecting link
    1225-0093
    $9.90
    Clip connecting link
    1225-0094
    9.90 Clip connecting link
    1225-0092
    9.90
    RK CHAIN ORDER CHART
    RK chain is available cut-to-length or in bulk rolls. Precut lengths are individually boxed with a clip-type connecting link;
    all bulk rolls include cliptype connecting links.
    WEAR
    AVG. TENSILE
    MAXIMUM ENGINE
    WEAR
    AVG. TENSILE
    MAXIMUM ENGINE
    SIZE AND TYPE
    LIFE INDEX
    STRENGTH (LB.)
    CC STREET/ DIRT
    SIZE AND TYPE
    LIFE INDEX
    STRENGTH (LB.)
    CC STREET/ DIRT
    HEAVY DUTY (CONT)
    100
    4,200
    80/80
    GB520MXZ4
    300
    9,000
    500/NA
    M428
    100
    4,500
    125/80
    530DR
    250
    10,400
    250 h.p.
    M520
    100
    6,800
    250/NA
    530PRODR
    250
    11,900
    320 h.p.
    100
    6,800
    400/NA
    SEALED RING
    100
    6,800
    400/NA
    GB520GXW
    1,000
    8,800
    1000/ 750
    HEAVY DUTY
    GB525GXW
    1,000
    9,300
    1100/ 800
    M420H
    200
    4,100
    125/90
    GB530GXW
    1,000
    10,000
    1400/ 900
    M428H
    200
    5,400
    200/ 125
    520XSO
    750
    8,500
    750/ 750
    M520H
    200
    7,700
    400/ 250
    GB520XSO
    750
    8,500
    750/ 750
    M525H
    200
    7,700
    500/NA
    GB525XSO
    750
    8,850
    900/ 750
    M530H
    200
    7,700
    500/NA
    530XSOZ1
    750
    9,500
    1000/ 1000
    300
    5,000
    150/ 125
    GB530XSOZ1
    750
    9,500
    1000/ 1000
    GB428MXZ
    300
    5,800
    250/ 125
    630SO
    800
    11,100
    1300/NA
    2018 PARTS UNLIMITED STREET