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Bike Transmission

In order to help you keep your bike in top condition and have it running smoothly, we have a great range of transmission components for replacements and improvements. The huge choice means you can find the exact style and specification your looking for, including first-rate chainsets for both road & mountain bikes, front & rear derailleurs, gear levels and much more.
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  • Bottom Bracket Spacer
    £0.99
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  • 0.8mm Cassette Spacer
    £1.99
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  • Deko Finance
  • 25mm B-Screw
    £2.00
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  • 1mm Cassette Spacer
    £2.49
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  • 7 Speed Cassette Spacer - 4mm
    £3.49
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  • Bottom Bracket Cable Guide - 40mm
    £4.99
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  • Deko Finance
  • Deko Finance
  • Singlespeed Sprocket
    From £4.99
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  • Tanpan Derailleur Adjuster
    From £5.00
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  • E-Bike Crank Bolts (Bosch Gen 3)
    £5.45
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  • 19mm Bottom Bracket Axle Spacer Kit
    £5.99
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  • 22mm Bottom Bracket Axle Spacer Kit
    £5.99
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  • Hunter Crank Bolts - M12
    £5.99
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  • Campy Singlespeed Lockring
    £5.99
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  • CAMO Chainring Bolts
    £6.00
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  • EVO Crankset Extraction Captive Nut End Cap
    £6.00
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  • Replacement Bolts for SRAM Direct Mount Chainrings
  • Pair Of Si Bottom Bracket Circlips
    £6.99
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  • Si Bottom Bracket Wave Washer
    £6.99
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  • Mr. Whirly Bearing Adjustment Cap
    £6.99
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  • 3/32" Fixed Sprocket
    £6.99
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  • E-Bike 2x Alloy 104 BCD Chainring (Yamaha)
    From £7.95
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  • PC830 7/8 Speed Chain (114 Links)
    Now £8.00 Was £9.00 | Save £1.00
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  • Alloy Crank Boots (Pair)
    Now £8.95 Was £9.95 | Save £1.00
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  • Next SL G4 Crank Boots (Pair)
    Now £8.95 Was £9.95 | Save £1.00
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  • Carbon Crank Boots
    Now £8.95 Was £9.95 | Save £1.00
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  • Cromo Fixed Sprocket Lockring - 1.29"x24T
    £8.99
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  • Crankset Shaft End Cap
    Now £9.50 Was £10.50 | Save £1.00
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  • Plastic Si Bottom Bracket Shims (5 Pack)
    £9.99
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  • Scalpel Hardtail Chain Guide
    £9.99
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  • GS-8 8 Speed Chain
    £9.99
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  • ISCG Adaptor Plate
    £9.99
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  • HG Cassette Lockring
    £9.99
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  • Fixed Sprocket Lockring - 1.29"x24T
    £9.99
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  • Nuvinci 20T Sprocket For Chain Driven E-Silence (2017)
    £10.00
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  • E-Bike Gen 3 Chainguard
    £10.00
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  • E-Bike Gen 2 Chainguard
    £10.00
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  • Kiez Pro 14t Rear Sprocket (2015)
    £10.00
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  • Contrail-C Chainguide (2017)
    £10.00
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  • EVO Crankset End Cap
    £10.50
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  • Bottom Bracket Truvativ GXP Converter
    Now £11.00 Was £12.00 | Save £1.00
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  • Si Sl Chainset Lockring (KP021)
    £11.49 RRP £12.99 | Save £1.50
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  • Cassette Lockring - Black
    £11.50
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  • Chaintab Shims (Pack of 4)
    Now £11.95 Was £12.95 | Save £1.00
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  • E-Bike Chainring For Brose (64 BCD)
    From £11.95
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  • Disc Mount Fixed Sprocket
    From £11.99
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  • MXRC Cassette Lockring
    £11.99
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View 46
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