Skip to content
Find us Hours of Business Email Us Shipping Cookie policy Returns Terms & Conditions Privacy Policy Refunds

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.

Filters

Save 9% Save %
£18.33
£18.33 - £18.33
£18.33
£16.61
£16.61 - £16.61
£16.61

MCS Transmission Sprocket, 25t – 1937–1979 FL; FX

Low stock

Description Transmission sprocket, 25t Fitment 37-79 FL; FX (NU) Product Details Brand: MCS Category: SPROCKETS AND CHAINS > SPROCKETS TRANSM...

View full details
£18.33
£18.33 - £18.33
£18.33
£16.61
£16.61 - £16.61
£16.61
Save 9% Save %
Save 8% Save %
£46.37
£46.37 - £46.37
£46.37
£42.85
£42.85 - £42.85
£42.85

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

Low stock

Description Matte black. Fully covers the OEM rear wheel pulley on the outside. Gives the pulley that black-out appearance. Fitment 82-99 Big Twin;...

View full details
£46.37
£46.37 - £46.37
£46.37
£42.85
£42.85 - £42.85
£42.85
Save 8% Save %
Save 8% Save %
£46.37
£46.37 - £46.37
£46.37
£42.85
£42.85 - £42.85
£42.85

MCS Pulley Cover, Holes (61t) – 1991–1999 XL Sportster

Low stock

Description Matte black. Fully covers the OEM rear wheel pulley on the outside. Gives the pulley that black-out appearance. Fitment 91-99 XL Sports...

View full details
£46.37
£46.37 - £46.37
£46.37
£42.85
£42.85 - £42.85
£42.85
Save 8% Save %
Save 2% Save %
£24.52
£24.52 - £24.52
£24.52
£23.94
£23.94 - £23.94
£23.94

MCS Cup, Sliding Cam – 1970–1982 Big Twin

Low stock

Description OEM style reproduction. Fits between the sliding cam and spring cover assembly of the primary compensating sprocket system. OEM replace...

View full details
£24.52
£24.52 - £24.52
£24.52
£23.94
£23.94 - £23.94
£23.94
Save 2% Save %
Save 4% Save %
£41.06
£41.06 - £41.06
£41.06
£39.26
£39.26 - £39.26
£39.26

MCS Primary Chain Tensioner Anchor Plate – 1965–2006 Big Twin

Low stock

Description Zinc plated steel. OEM style reproduction for 39998-65A. Fitment 65-06 Big Twin (Excl. 2006 Dyna) (NU) Product Details Brand: MCS Ca...

View full details
£41.06
£41.06 - £41.06
£41.06
£39.26
£39.26 - £39.26
£39.26
Save 4% Save %
Save 8% Save %
£125.52
£125.52 - £125.52
£125.52
£116.01
£116.01 - £116.01
£116.01

MCS Solid Motor Sprocket 34t – 2018–2026 Softail; 2017–2026…

Low stock

Description Standard 34t drive ratio. The OEM compensator sprocket assembly is heavy and can give wear; noise and other issues. This solid motor sp...

View full details
£125.52
£125.52 - £125.52
£125.52
£116.01
£116.01 - £116.01
£116.01
Save 8% Save %
Save 8% Save %
£102.48
£102.48 - £102.48
£102.48
£94.72
£94.72 - £94.72
£94.72

MCS Solid Motor Sprocket 32t – 2007–2017 Softail; 2006–2017 Dyna…

Low stock

Description 32t. -2 tooth smaller than stock. Smaller motor sprockets increase RPM; at the same speed; for more power and better pull in the same g...

View full details
£102.48
£102.48 - £102.48
£102.48
£94.72
£94.72 - £94.72
£94.72
Save 8% Save %
Save 8% Save %
£114.20
£114.20 - £114.20
£114.20
£105.54
£105.54 - £105.54
£105.54

MCS Solid Motor Sprocket, 30t – 2007–2017 Softail; 2006–2017 Dyna…

Low stock

Description 30T. -4 tooth smaller than stock. Smaller motor sprockets increase RPM; at the same speed; for more power and better pull in the same g...

View full details
£114.20
£114.20 - £114.20
£114.20
£105.54
£105.54 - £105.54
£105.54
Save 8% Save %
Save 13% Save %
£6.42
£6.42 - £6.42
£6.42
£5.56
£5.56 - £5.56
£5.56

MCS Primary Case Saver – 1965–1984 4-Speed Big Twin

In stock

Description Black nylon. Simple; but effective clamp-on nylon device. Protects the starter housing area of the inner primary case from damage by th...

View full details
£6.42
£6.42 - £6.42
£6.42
£5.56
£5.56 - £5.56
£5.56
Save 13% Save %
Save 8% Save %
£42.18
£42.18 - £42.18
£42.18
£38.98
£38.98 - £38.98
£38.98

MCS Inner Pulley Cover, Holes (70t) – 1982–1999 Big Twin; Twin Cam

Low stock

Description Chrome steel. Fits behind the pulley; between pulley and wheel hub. Used with OEM style wheel pulleys. Fitment 82-99 Big Twin; Twin Cam...

View full details
£42.18
£42.18 - £42.18
£42.18
£38.98
£38.98 - £38.98
£38.98
Save 8% Save %
Save 8% Save %
£35.60
£35.60 - £35.60
£35.60
£32.90
£32.90 - £32.90
£32.90

MCS Transmission Sprocket, 17t – 1929–1973 45" Flathead

Low stock

Description 1 used. Transmission. OEM replacement reference 35204-41 / 2035-41 Fitment 29-73 45" Flathead (NU) Product Details Brand: MCS Catego...

View full details
£35.60
£35.60 - £35.60
£35.60
£32.90
£32.90 - £32.90
£32.90
Save 8% Save %
Save 8% Save %
£65.10
£65.10 - £65.10
£65.10
£60.17
£60.17 - £60.17
£60.17

MCS Rear Pulley Bolt Cover Kit. Chrome – 1993–2025 Softail; 1993–2017 Dyna…

In stock

Description Covers the hex mount bolts of the rear pulley. Attaches with an internal spring. Fits 3/8-16 bolts with hex heads; like 43567-92. Fitme...

View full details
£65.10
£65.10 - £65.10
£65.10
£60.17
£60.17 - £60.17
£60.17
Save 8% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare