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Drivetrain - Sprockets & Chains

Explore sprockets & chains within the drivetrain range, with products grouped for motorcycle servicing, repair and custom work. Product choices in this section include clutch and transmission parts. Use the individual product specifications and fitment notes to confirm the correct application.

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£72.68
£72.68 - £72.68
£72.68
£68.54
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£68.54

MCS Transmission Pulley, 30 Tooth – 85-E94 Big Twin

Low stock

Description Steel. Stock pulley has 32T. This 30T pully will increase RPM for quicker acceleration and overall more low speed strength. Fitment 85-...

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£72.68
£72.68 - £72.68
£72.68
£68.54
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£68.54
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£133.73 - £133.73
£133.73
£137.33
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£137.33

Motion Pro Pbr Chain Tool – Universal

Low stock

Description Innovative design that will press; break & rivet most 520; 525 and 530 regular or o-ring chains; including rivet hollow nose and so...

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£133.73 - £133.73
£133.73
£137.33
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£137.33
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£19.69
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£17.84
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£17.84

MCS Mini Chain Breaker. Early H-D Style – Universal

Low stock

Description Fits 420; 428; 520 and 530 chains. Pocket size; affordable and great for on the road. Better not need and have than need and not have! ...

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£19.69
£19.69 - £19.69
£19.69
£17.84
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£17.84
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£26.85
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£26.85
£24.82
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£24.82

Gardner-Westcott Rear Sprocket Mount Kit, Hex Chr – Big Twin 1973–1986 (Exc 1980–1983…

Out of stock

Description Standard replacement Fitment Big Twin 73-86 (EXC 80-83 FLT);XL Sportster 79-99 XL Sportster (NU) Product Details Brand: Gardner-Westc...

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£26.85
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£26.85
£24.82
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£14.55 - £14.55
£14.55
£16.77
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£16.77

Colony Acorn Motor Sprocket Nut – 1955–2006 Big Twin

Low stock

Description Chrome; 7/8-14 threaded Fitment 55-06 Big Twin (NU) (Excl. 2006 Dyna) Product Details Brand: Colony Category: SPROCKETS AND CHAINS &...

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£14.55 - £14.55
£14.55
£16.77
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£16.77
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£54.92 - £54.92
£54.92
£68.90
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MCS Pully Cover, ''Holes'' 66t. Black – 2007–2025 Softail; 2007 FLT/Touring

Out of stock

Description Matte black. Fully covers the OEM rear wheel pulley on the outside. Gives the pulley that black-out appearance. Fitment 07-25 Softail; ...

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£54.92 - £54.92
£54.92
£68.90
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£68.90
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£37.02
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£37.02
£34.22
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£34.22

MCS Pulley Cover, Holes (70t) – 2000–2005 Dyna

Low stock

Description Matte black. Fully covers the OEM rear wheel pulley on the outside. Gives the pulley that black-out appearance. Fitment 00-05 Dyna (NU)...

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£37.02
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£37.02
£34.22
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£34.22
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£46.95
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£46.95
£43.39
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£43.39

MCS Pulley Cover, Holes. (61t) – 1982–1999 Big Twin; Tc. with 61t OEM…

Out of stock

Description Chrome plated steel. Fully covers the OEM rear wheel pulley on the outside. Gives the pulley that full-chrome appearance. Fitment 82-99...

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£46.95
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£46.95
£43.39
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£43.39
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£26.67
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£26.67
£24.65
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£24.65

Gardner-Westcott Rear Sprocket Mount Kit, Allen Chr – 1979–1999 XL Sportster (with Cast Wheel)

Out of stock

Description Rear sprocket Mount kit, allen chr. Fitment 79-99 XL Sportster (NU) (WITH CAST wheel) Product Details Brand: Gardner-Westcott Catego...

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£26.67
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£26.67
£24.65
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£24.65
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£27.03
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£27.03
£24.98
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£24.98

Gardner-Westcott Rear Sprocket Mount Kit, Allen Chr – 1979–1999 XL Sportster (Laced Wheel)

Out of stock

Description Rear sprocket Mount kit, allen chr Fitment 79-99 XL Sportster (LACED wheel) Product Details Brand: Gardner-Westcott Category: SPROCK...

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£27.03
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£27.03
£24.98
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£24.98
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£27.39
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£27.39
£24.82
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£24.82

MCS Transmission Sprocket, 21t – L79-E84 XL Sportster

In stock

Description Transmission sprocket, 21t Fitment L79-E84 XL Sportster (NU) Product Details Brand: MCS Category: SPROCKETS AND CHAINS > SPROCKET...

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£27.39
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£27.39
£24.82
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£24.82
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£40.50
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£40.50
£37.43
£37.43 - £37.43
£37.43

Gardner-Westcott Rear Belt Pulley Mount Kit, Allen Chrome – 1984–1985 Fxwg; 1986 FXST; FXR…

Out of stock

Description Used to mount rear belt pulleys to the wheel hub. Chrome plated allen head bolts. Complete with washers and nuts where applicable. Fitm...

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£40.50
£40.50 - £40.50
£40.50
£37.43
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£37.43
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£41.57
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£41.57
£38.42
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£38.42

Gardner-Westcott Rear Belt Pulley Mount Kit, Allen Chrome – 1987–1990 FLST; FXST; FLT/Touring; FXR.…

Out of stock

Description Used to mount rear belt pulleys to the wheel hub. Chrome plated allen head bolts. Complete with washers and nuts where applicable. Fitm...

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£41.57
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£41.57
£38.42
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£38.42
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£27.75
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£27.75
£25.65
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£25.65

Gardner-Westcott Rear Belt Pulley Mount Kit, Allen Chrome – 1981–1984 FX; 1984–1986 FLT/Touring…

Out of stock

Description Used to mount rear belt pulleys to the wheel hub. Chrome plated allen head bolts. Complete with washers and nuts where applicable. Fitm...

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£27.75
£27.75 - £27.75
£27.75
£25.65
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£25.65
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£32.72
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£32.72
£30.24
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£30.24

Gardner-Westcott Rear Belt Pulley Mount Kit, Allen Chrome – 2000–2006 Softail; 2000–2005 Dyna…

Out of stock

Description Used to mount rear belt pulleys to the wheel hub. Chrome plated allen head bolts. Complete with washers and nuts where applicable. Fitm...

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£32.72
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£32.72
£30.24
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£30.24
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£44.75
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£44.75
£41.35
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£41.35

MCS Rear Sprocket, Zinc. 51t – 1973–1985 4-Speed Big Twin; 1979–1981 XL…

In stock

Description Rear sprocket, zinc. 51t Fitment 73-85 4-speed Big Twin; 79-81 XL Sportster Product Details Brand: MCS Category: SPROCKETS AND CHAIN...

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£44.75
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£44.75
£41.35
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£41.35
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£65.19
£65.19 - £65.19
£65.19
£60.25
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£60.25

MCS Rear Sprocket, Chrome. 51t – 1973–1985 4-Speed Big Twin; 1979–1981 XL…

In stock

Description Rear sprocket, chrome. 51t Fitment 73-85 4-speed Big Twin; 79-81 XL Sportster (NU) Product Details Brand: MCS Category: SPROCKETS AN...

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£65.19
£65.19 - £65.19
£65.19
£60.25
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£60.25
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£65.19
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£65.19
£60.25
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£60.25

MCS Rear Sprocket, Chrome. 48t – 1973–1985 4-Speed Big Twin; 1979–1981 XL…

Low stock

Description Rear sprocket, chrome. 48t Fitment 73-85 4-speed Big Twin; 79-81 XL Sportster Product Details Brand: MCS Category: SPROCKETS AND CHA...

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£65.19
£65.19 - £65.19
£65.19
£60.25
£60.25 - £60.25
£60.25
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£164.52 - £164.52
£164.52
£219.42
£219.42 - £219.42
£219.42

Diamond Primary Chain. 86 Links – 2007–2026 FLT/Touring; 2010–2026 Trike

Out of stock

Description Endless replacement primary chain. 428/2/86. OEM replacement reference 40037-07 Fitment 07-26 FLT/Touring; 10-26 Trike Product Details ...

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£164.52 - £164.52
£164.52
£219.42
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£219.42
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£171.54 - £171.54
£171.54
£209.81
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£209.81

Diamond Primary Chain Standard Length. 82 Links – 1937–2006 All Big Twin

Low stock

Description Endless replacement primary chain. OEM replacement reference 40007-36A Fitment 37-06 all Big Twin (Excl. FXR; FLT/Touring and 2006 Dyna...

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£171.54 - £171.54
£171.54
£209.81
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£209.81
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£155.88
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£155.88
£140.76
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£140.76

Diamond Primary Chain. 94 Links – 1957–2003 All XL Sportster; 2004–2022…

Low stock

Description Triple row endless replacement primary chain. OEM replacement reference 40005-57B. Note: Some 02-20 XL883 HDI (HD International or ''Eu...

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£155.88
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£155.88
£140.76
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£140.76
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£63.20
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£63.20
£58.41
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£58.41

MCS Chain Guard – 1973–1985 FX; Fxwg Excl. FXST

Low stock

Description Chrome Fitment 73-85 FX; FXWG (NU) Excl. FXST Product Details Brand: MCS Category: SPROCKETS AND CHAINS > CHAIN GUARDS Unit: 1 ...

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£63.20
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£63.20
£58.41
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£58.41
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£44.28
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£44.28
£40.93
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£40.93

MCS Chain Guard – 1937–1957 FL and Most Rigid Frames

Low stock

Description Black Fitment 37-57 FL AND MOST RIGID FRAMES (NU) Product Details Brand: MCS Category: SPROCKETS AND CHAINS > CHAIN GUARDS Unit:...

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£44.28
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£44.28
£40.93
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£40.93
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£254.42 - £254.42
£254.42
£257.46
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£257.46

Andrews 32t Pulleys Transmission – 85-E94 Big Twin

Low stock

Description Andrews transm. Pulley, 32t Fitment 85-E94 Big Twin Product Details Brand: Andrews Category: SPROCKETS AND CHAINS > PULLEYS TRANS...

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£254.42 - £254.42
£254.42
£257.46
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£257.46

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