Pilot Bore Sprockets

Pilot Bore Sprockets are used in industrial machinery, as well as vehicles that use drive chains like bicycles and motorcycles. The term sprocket usually applies to a wheel driven by a chain or it might equally refer to the teeth or cogs present in a mechanical wheel.

Pilot Bore Sprockets, sometimes known as "Rough Stock Bore Sprockets", are supplied as a standard with a plain boss, an unusually cylindrical projection that provides a contact surface around a hole. This type of sprocket is machined to fit on a shaft.

Depending on the type of application, there are three major types of Pilot Bore Sprockets available at Bearing Shop UK:

- Simplex Pilot Bore Sprockets

- Duplex Pilot Bore Sprockets

- Triplex Pilot Bore Sprockets

The term “simplex” refers to single strand chains. Thus, choosing between simplex, duplex, and triplex Pilot Bore Sprockets is easily determinable by the number of chain rows..



Aside from Pilot Bore Sprockets, we provide Power Transmission products that include V BeltsV Pulley, Couplings & Gears, and several more mechanical products like Bearings & Bushes, Tools & Fasteners, and many more.

Can't find what you are looking for? Contact us and we will help you find the products you need.

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  1. 3DR08 Duplex Pilot Bore Sprocket
    £4.67 £3.89
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 8
    PCD: 24.27mm

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  2. 3TR08 Triplex Pilot Bore Sprocket
    £7.94 £6.62
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 8
    PCD: 24.26mm

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  3. 3SR09 Simplex Pilot Bore Sprocket
    £3.62 £3.02
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 9
    PCD: 27.29mm

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  4. 3DR09 Duplex Pilot Bore Sprocket
    £4.84 £4.03
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 9
    PCD: 27.29mm

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  5. 3TR09 Triplex Pilot Bore Sprocket
    £8.29 £6.91
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 9
    PCD: 27.29mm

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  6. 3SR10 Simplex Pilot Bore Sprocket
    £3.97 £3.31
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 10
    PCD: 30.32mm

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  7. 3DR10 Duplex Pilot Bore Sprocket
    £5.02 £4.18
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 10
    PCD: 30.32mm

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  8. 3TR10 Triplex Pilot Bore Sprocket
    £8.47 £7.06
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 10
    PCD: 30.33mm

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  9. 3SR11 Simplex Pilot Bore Sprocket
    £3.80 £3.17
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 11
    PCD: 33.35mm

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  10. 3DR11 Duplex Pilot Bore Sprocket
    £5.18 £4.32
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 11
    PCD: 33.37mm

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  11. 3TR11 Triplex Pilot Bore Sprocket
    £8.81 £7.34
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 11
    PCD: 33.35mm

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  12. 3SR12 Simplex Pilot Bore Sprocket
    £3.97 £3.31
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 12
    PCD: 36.38mm

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  13. 3DR12 Duplex Pilot Bore Sprocket
    £6.22 £5.18
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 12
    PCD: 36.38mm

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  14. 3TR12 Triplex Pilot Bore Sprocket
    £9.16 £7.63
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 12
    PCD: 36.38mm

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  15. 3SR13 Simplex Pilot Bore Sprocket
    £3.97 £3.31
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 13
    PCD: 39.41mm

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  16. 3DR13 Duplex Pilot Bore Sprocket
    £6.22 £5.18
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 13
    PCD: 39.41mm

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  17. 3TR13 Triplex Pilot Bore Sprocket
    £10.37 £8.64
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 13
    PCD: 39.43mm

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  18. 3SR14 Simplex Pilot Bore Sprocket
    £4.15 £3.46
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 14
    PCD: 42.45mm

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  19. 3DR14 Duplex Pilot Bore Sprocket
    £6.74 £5.62
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 14
    PCD: 42.47mm

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  20. 3TR14 Triplex Pilot Bore Sprocket
    £10.72 £8.93
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 14
    PCD: 42.45mm

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  21. 3SR15 Simplex Pilot Bore Sprocket
    £4.49 £3.74
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 15
    PCD: 45.48mm

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  22. 3DR15 Duplex Pilot Bore Sprocket
    £7.94 £6.62
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 15
    PCD: 45.48mm

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  23. 3TR15 Triplex Pilot Bore Sprocket
    £11.93 £9.94
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 15
    PCD: 45.48mm

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  24. 3SR16 Simplex Pilot Bore Sprocket
    £4.67 £3.89
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 16
    PCD: 48.51mm

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  25. 3DR16 Duplex Pilot Bore Sprocket
    £7.61 £6.34
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 16
    PCD: 48.51mm

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  26. 3TR16 Triplex Pilot Bore Sprocket
    £12.26 £10.22
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 16
    PCD: 48.54mm

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  27. 3SR17 Simplex Pilot Bore Sprocket
    £5.02 £4.18
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 17
    PCD: 51.54mm

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  28. 3DR17 Duplex Pilot Bore Sprocket
    £8.12 £6.77
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 17
    PCD: 51.57mm

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  29. 3TR17 Triplex Pilot Bore Sprocket
    £12.44 £10.37
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 17
    PCD: 51.54mm

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  30. 3SR18 Simplex Pilot Bore Sprocket
    £5.35 £4.46
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 18
    PCD: 54.57mm

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  31. 3DR18 Duplex Pilot Bore Sprocket
    £8.64 £7.20
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 18
    PCD: 54.57mm

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  32. 3TR18 Triplex Pilot Bore Sprocket
    £12.96 £10.80
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 18
    PCD: 54.57mm

    Learn More
  33. 3SR19 Simplex Pilot Bore Sprocket
    £5.88 £4.90
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 19
    PCD: 57.61mm

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  34. 3DR19 Duplex Pilot Bore Sprocket
    £8.64 £7.20
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 19
    PCD: 57.61mm

    Learn More
  35. 3TR19 Triplex Pilot Bore Sprocket
    £13.31 £11.09
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 19
    PCD: 57.64mm

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  36. 3SR20 Simplex Pilot Bore Sprocket
    £6.22 £5.18
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 20
    PCD: 60.64mm

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  37. 3DR20 Duplex Pilot Bore Sprocket
    £9.50 £7.92
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 20
    PCD: 60.67mm

    Learn More
  38. 3TR20 Triplex Pilot Bore Sprocket
    £13.31 £11.09
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 20
    PCD: 60.64mm

    Learn More
  39. 3SR21 Simplex Pilot Bore Sprocket
    £5.88 £4.90
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 21
    PCD: 63.7mm

    Learn More
  40. 3DR21 Duplex Pilot Bore Sprocket
    £10.37 £8.64
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 21
    PCD: 63.67mm

    Learn More
  41. 3TR21 Triplex Pilot Bore Sprocket
    £14.17 £11.81
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 21
    PCD: 63.67mm

    Learn More
  42. 3SR22 Simplex Pilot Bore Sprocket
    £6.22 £5.18
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 22
    PCD: 66.7mm

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  43. 3DR22 Duplex Pilot Bore Sprocket
    £10.88 £9.07
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 22
    PCD: 66.7mm

    Learn More
  44. 3TR22 Triplex Pilot Bore Sprocket
    £16.25 £13.54
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 22
    PCD: 66.74mm

    Learn More
  45. 3SR23 Simplex Pilot Bore Sprocket
    £6.56 £5.47
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 23
    PCD: 69.73mm

    Learn More
  46. 3DR23 Duplex Pilot Bore Sprocket
    £10.72 £8.93
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 23
    PCD: 69.77mm

    Learn More
  47. 3TR23 Triplex Pilot Bore Sprocket
    £17.28 £14.40
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 23
    PCD: 69.73mm

    Learn More
  48. 3SR24 Simplex Pilot Bore Sprocket
    £6.91 £5.76
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 24
    PCD: 72.8mm

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  49. 3DR24 Duplex Pilot Bore Sprocket
    £11.23 £9.36
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 24
    PCD: 72.77mm

    Learn More
  50. 3TR24 Triplex Pilot Bore Sprocket
    £17.98 £14.98
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 24
    PCD: 72.77mm

    Learn More
  51. 3SR25 Simplex Pilot Bore Sprocket
    £7.61 £6.34
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 25
    PCD: 75.8mm

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  52. 3DR25 Duplex Pilot Bore Sprocket
    £12.79 £10.66
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 25
    PCD: 75.8mm

    Learn More
  53. 3TR25 Triplex Pilot Bore Sprocket
    £17.98 £14.98
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 25
    PCD: 75.84mm

    Learn More
  54. 3SR26 Simplex Pilot Bore Sprocket
    £7.61 £6.34
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 26
    PCD: 78.83mm

    Learn More
  55. 3DR26 Duplex Pilot Bore Sprocket
    £13.48 £11.23
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 26
    PCD: 78.87mm

    Learn More
  56. 3TR26 Triplex Pilot Bore Sprocket
    £19.52 £16.27
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 26
    PCD: 78.83mm

    Learn More
  57. 3SR27 Simplex Pilot Bore Sprocket
    £8.29 £6.91
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 27
    PCD: 81.9mm

    Learn More
  58. 3DR27 Duplex Pilot Bore Sprocket
    £13.31 £11.09
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 27
    PCD: 81.86mm

    Learn More
  59. 3TR27 Triplex Pilot Bore Sprocket
    £19.36 £16.13
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 27
    PCD: 81.86mm

    Learn More
  60. 3SR28 Simplex Pilot Bore Sprocket
    £8.12 £6.77
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 28
    PCD: 84.89mm

    Learn More
  61. 3DR28 Duplex Pilot Bore Sprocket
    £15.38 £12.82
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 28
    PCD: 84.89mm

    Learn More
  62. 3TR28 Triplex Pilot Bore Sprocket
    £22.30 £18.58
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 28
    PCD: 84.94mm

    Learn More
  63. 3SR29 Simplex Pilot Bore Sprocket
    £8.99 £7.49
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 29
    PCD: 87.93mm

    Learn More
  64. 3DR29 Duplex Pilot Bore Sprocket
    £15.90 £13.25
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 29
    PCD: 87.97mm

    Learn More
  65. 3TR29 Triplex Pilot Bore Sprocket
    £23.84 £19.87
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 29
    PCD: 87.93mm

    Learn More
  66. 3SR30 Simplex Pilot Bore Sprocket
    £9.50 £7.92
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 30
    PCD: 91mm

    Learn More
  67. 3DR30 Duplex Pilot Bore Sprocket
    £16.25 £13.54
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 30
    PCD: 90.96mm

    Learn More
  68. 3TR30 Triplex Pilot Bore Sprocket
    £23.33 £19.44
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 30
    PCD: 90.96mm

    Learn More
  69. 3SR31 Simplex Pilot Bore Sprocket
    £10.72 £8.93
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 31
    PCD: 93.99mm

    Learn More
  70. 3DR31 Duplex Pilot Bore Sprocket
    £18.14 £15.12
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 31
    PCD: 93.99mm

    Learn More
  71. 3TR31 Triplex Pilot Bore Sprocket
    £25.57 £21.31
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 31
    PCD: 94.04mm

    Learn More
  72. 3SR32 Simplex Pilot Bore Sprocket
    £10.88 £9.07
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 32
    PCD: 97.02mm

    Learn More
  73. 3DR32 Duplex Pilot Bore Sprocket
    £18.66 £15.55
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 32
    PCD: 97.07mm

    Learn More
  74. 3TR32 Triplex Pilot Bore Sprocket
    £25.57 £21.31
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 32
    PCD: 97.02mm

    Learn More
  75. 3SR33 Simplex Pilot Bore Sprocket
    £11.75 £9.79
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 33
    PCD: 100.1mm

    Learn More
  76. 3DR33 Duplex Pilot Bore Sprocket
    £18.14 £15.12
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 33
    PCD: 100.05mm

    Learn More
  77. 3TR33 Triplex Pilot Bore Sprocket
    £25.92 £21.60
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 33
    PCD: 100.05mm

    Learn More
  78. 3SR34 Simplex Pilot Bore Sprocket
    £12.44 £10.37
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 34
    PCD: 103.08mm

    Learn More
  79. 3DR34 Duplex Pilot Bore Sprocket
    £18.66 £15.55
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 34
    PCD: 103.08mm

    Learn More
  80. 3TR34 Triplex Pilot Bore Sprocket
    £27.82 £23.18
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 34
    PCD: 103.14mm

    Learn More
  81. 3SR35 Simplex Pilot Bore Sprocket
    £12.61 £10.51
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 35
    PCD: 106.12mm

    Learn More
  82. 3DR35 Duplex Pilot Bore Sprocket
    £20.04 £16.70
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 35
    PCD: 106.17mm

    Learn More
  83. 3TR35 Triplex Pilot Bore Sprocket
    £29.03 £24.19
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 35
    PCD: 106.12mm

    Learn More
  84. 3SR36 Simplex Pilot Bore Sprocket
    £12.79 £10.66
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 36
    PCD: 109.2mm

    Learn More
  85. 3DR36 Duplex Pilot Bore Sprocket
    £22.30 £18.58
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 36
    PCD: 109.15mm

    Learn More
  86. 3TR36 Triplex Pilot Bore Sprocket
    £33.00 £27.50
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 36
    PCD: 109.15mm

    Learn More
  87. 3SR37 Simplex Pilot Bore Sprocket
    £13.99 £11.66
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 37
    PCD: 112.18mm

    Learn More
  88. 3DR37 Duplex Pilot Bore Sprocket
    £21.60 £18.00
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 37
    PCD: 112.18mm

    Learn More
  89. 3TR37 Triplex Pilot Bore Sprocket
    £34.04 £28.37
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 37
    PCD: 112.24mm

    Learn More
  90. 3SR38 Simplex Pilot Bore Sprocket
    £14.34 £11.95
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 38
    PCD: 115.21mm

    Learn More
  91. 3DR38 Duplex Pilot Bore Sprocket
    £22.98 £19.15
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 38
    PCD: 115.27mm

    Learn More
  92. 3TR38 Triplex Pilot Bore Sprocket
    £37.50 £31.25
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 38
    PCD: 115.21mm

    Learn More
  93. 3SR39 Simplex Pilot Bore Sprocket
    £15.04 £12.53
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 39
    PCD: 118.3mm

    Learn More
  94. 3DR39 Duplex Pilot Bore Sprocket
    £24.02 £20.02
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 39
    PCD: 118.24mm

    Learn More
  95. 3TR39 Triplex Pilot Bore Sprocket
    £42.17 £35.14
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 39
    PCD: 118.24mm

    Learn More
  96. 3SR40 Simplex Pilot Bore Sprocket
    £16.07 £13.39
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 40
    PCD: 121.28mm

    Learn More
  97. 3DR40 Duplex Pilot Bore Sprocket
    £28.34 £23.62
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 40
    PCD: 121.28mm

    Learn More
  98. 3TR40 Triplex Pilot Bore Sprocket
    £41.47 £34.56
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 40
    PCD: 121.28mm

    Learn More
  99. 3SR45 Simplex Pilot Bore Sprocket
    £26.27 £21.89
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 45
    PCD: 136.44mm

    Learn More
  100. 3DR45 Duplex Pilot Bore Sprocket
    £30.76 £25.63
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 45
    PCD: 136.5mm

    Learn More
  101. 3TR45 Triplex Pilot Bore Sprocket
    £39.58 £32.98
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 45
    PCD: 136.5mm

    Learn More
  102. 3SR57 Simplex Pilot Bore Sprocket
    £30.94 £25.78
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 57
    PCD: 172.91mm

    Learn More
  103. 3DR57 Duplex Pilot Bore Sprocket
    £52.01 £43.34
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 57
    PCD: 172.82mm

    Learn More
  104. 3TR57 Triplex Pilot Bore Sprocket
    £58.40 £48.67
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 57
    PCD: 172.82mm

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  105. 3SR76 Simplex Pilot Bore Sprocket
    £40.61 £33.84
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 76
    PCD: 230.42mm

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  106. 3DR76 Duplex Pilot Bore Sprocket
    £78.79 £65.66
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 76
    PCD: 230.42mm

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  107. 3TR76 Triplex Pilot Bore Sprocket
    £85.70 £71.42
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 76
    PCD: 230.42mm

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  108. 3SR95 Simplex Pilot Bore Sprocket
    £64.97 £54.14
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 95
    PCD: 288.03mm

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  109. 3DR95 Duplex Pilot Bore Sprocket
    £116.47 £97.06
    Pitch: 9.525mm (3/8") or 06B
    Number of Teeth: 95
    PCD: 288.18mm

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