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Transmission Covers

Our Transmission Covers range groups together relevant parts and accessories for Harley-Davidson, American V-twin and compatible motorcycle applications. The collection draws together products used for clutch and transmission parts. The detailed product pages explain compatibility, specifications and what is included.

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Trask Assault Derby Cover Repair Kit - Derby Cover Repair KIT Assault for Harley-Davidson Touring & Trike 2015-2024

In stock

DescriptionAssault Derby Cover Repair Kit Kit includes window, o-rings, and hardware Repair kit for Trask Assault derby covers Made in the USA For ...

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£46.59
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£46.59
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£55.15
£55.15 - £55.15
£55.15
£46.59
£46.59 - £46.59
£46.59

Trask Assault Derby Cover Repair Kit - Derby Cover Repair KIT Assault for Harley-Davidson Touring, Softail, Dyna & Trike 1996-2025

Out of stock

DescriptionAssault Derby Cover Repair Kit Kit includes window, o-rings, and hardware Repair kit for Trask Assault derby covers Made in the USA For ...

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£55.15
£55.15 - £55.15
£55.15
£46.59
£46.59 - £46.59
£46.59
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£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01

Trask Assault Derby Cover with Window - 6061-T6 Aluminum, Each - Black / Raw / Reverse Cut for Harley-Davidson Softail, Dyna & FXR 2018-2026

In stock

DescriptionAssault Derby Cover with Window Features a unique LEXAN window design provides a clear view of your clutch system, while maintaining a l...

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£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01
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£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01

Trask Assault Derby Cover with Window - 6061-T6 Aluminum, Each - Black / Matte for Harley-Davidson Softail, Dyna & FXR 2018-2026

In stock

DescriptionAssault Derby Cover with Window Features a unique LEXAN window design provides a clear view of your clutch system, while maintaining a l...

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£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01
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Save 9% Save %
£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01

Trask Assault Derby Cover with Window - Each, 6061-T6 Aluminum - Raw / Reverse Cut for Harley-Davidson Touring & Trike 2015-2024

In stock

DescriptionAssault Derby Cover with Window Features a unique LEXAN window design provides a clear view of your clutch system, while maintaining a l...

View full details
£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01
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Save 9% Save %
£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01

Trask Assault Derby Cover with Window - Each, 6061-T6 Aluminum - Black / Matte for Harley-Davidson Touring & Trike 2015-2024

In stock

DescriptionAssault Derby Cover with Window Features a unique LEXAN window design provides a clear view of your clutch system, while maintaining a l...

View full details
£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01
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Save 9% Save %
£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01

Trask Assault Derby Cover with Window - Each, 6061-T6 Aluminum - Black / Raw / Reverse Cut for Harley-Davidson Touring, Softail, Dyna & Trike 1996-2018

In stock

DescriptionAssault Derby Cover with Window Features a unique LEXAN window design provides a clear view of your clutch system, while maintaining a l...

View full details
£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01
Save 9% Save %
Save 9% Save %
£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01

Trask Assault Derby Cover with Window - Each, 6061-T6 Aluminum - Black / Matte for Harley-Davidson Touring, Softail, Dyna & Trike 1996-2018

In stock

DescriptionAssault Derby Cover with Window Features a unique LEXAN window design provides a clear view of your clutch system, while maintaining a l...

View full details
£330.89
£330.89 - £330.89
£330.89
£301.01
£301.01 - £301.01
£301.01
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£376.56
£376.56 - £376.56
£376.56
£342.65
£342.65 - £342.65
£342.65

Barnett Scorpion Series Derby Cover - Billet Aluminum, Each, Clear - Chrome for Harley-Davidson Softail, Dyna & FXR 2018-2026

In stock

DescriptionScorpion Series Derby Cover Window is scratch and discoloration resistant and is firmly secured and sealed with an O-ring gasket Feature...

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£376.56
£376.56 - £376.56
£376.56
£342.65
£342.65 - £342.65
£342.65
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£256.64
£256.64 - £256.64
£256.64
£218.24
£218.24 - £218.24
£218.24

Thrashin' Supply Co. Derby Cover - Finned, Aluminum, Each - Chrome for Harley-Davidson Touring & Trike 2015-2025

Low stock

DescriptionDerby Cover 6061 billet aluminium construction Made in the USA SpecificationsRiding Style : StreetColour/Finish : ChromeFeatures : witho...

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£256.64
£256.64 - £256.64
£256.64
£218.24
£218.24 - £218.24
£218.24
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£168.32
£168.32 - £168.32
£168.32
£143.13
£143.13 - £143.13
£143.13

Thrashin' Supply Co. Classic Derby Cover - Each, 6061 Billet Aluminum - Black for Harley-Davidson Softail, Dyna & FXR 2018-2025

Out of stock

DescriptionClassic Derby Cover 6061 billet aluminium construction Made in USA Fits M8 Softail w/ Narrow Profile Primary Cover. Does not include gas...

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£168.32
£168.32 - £168.32
£168.32
£143.13
£143.13 - £143.13
£143.13
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£181.26
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£181.26
£154.12
£154.12 - £154.12
£154.12

Thrashin' Supply Co. Classic Derby Cover - 6061 Billet Aluminum, Each, Dished - Black for Harley-Davidson Touring, Softail, Dyna & Trike 1999-2018

Out of stock

DescriptionClassic Derby Cover 6061 billet aluminium construction Made in USA Includes gasket.SpecificationsStyle : DishedMaterial : 6061 Billet Al...

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£181.26
£181.26 - £181.26
£181.26
£154.12
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£154.12
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£158.79
£158.79 - £158.79
£158.79
£135.05
£135.05 - £135.05
£135.05

Thrashin' Supply Co. Classic Derby Cover - Each, 6061 Billet Aluminum - Black for Harley-Davidson Touring, Softail, Dyna & Trike 1999-2018

Out of stock

DescriptionClassic Derby Cover 6061 billet aluminium construction Made in USA Includes gasket.SpecificationsStyle : ClassicUnits : EachMaterial : 6...

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£158.79
£158.79 - £158.79
£158.79
£135.05
£135.05 - £135.05
£135.05
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£185.35
£185.35 - £185.35
£185.35
£157.60
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£157.60

Thrashin' Supply Co. Derby Cover - Aluminum, Classic, Each - Chrome for Harley-Davidson Touring, Softail, Dyna & Trike 1996-2018

Out of stock

DescriptionDerby Cover 6061 billet aluminium construction Made in the USA SpecificationsColour/Finish : ChromeFeatures : Includes GasketStyle : Cla...

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£185.35
£185.35 - £185.35
£185.35
£157.60
£157.60 - £157.60
£157.60
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£171.09
£171.09 - £171.09
£171.09
£145.49
£145.49 - £145.49
£145.49

Thrashin' Supply Co. Classic Derby Cover - Aluminum, Each - Anodized / Black / Machined for Harley-Davidson Touring, Softail, Dyna & FXR 1970-1999

In stock

DescriptionClassic Derby Cover 6061 billet aluminium construction Made in USA Includes gasket.SpecificationsMounting Style : 3 HoleProduct Name : C...

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£171.09
£171.09 - £171.09
£171.09
£145.49
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£145.49
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£171.09
£171.09 - £171.09
£171.09
£145.49
£145.49 - £145.49
£145.49

Thrashin' Supply Co. Classic Derby Cover - Each, Aluminum - Polished for Harley-Davidson Touring, Softail, Dyna & FXR 1970-1999

Out of stock

DescriptionClassic Derby Cover 6061 billet aluminium construction Made in USA Includes gasket.SpecificationsMounting Style : 3 HoleColour/Finish : ...

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£171.09
£171.09 - £171.09
£171.09
£145.49
£145.49 - £145.49
£145.49
Sold out
£50.74 - £50.74
£50.74
£51.51
£51.51 - £51.51
£51.51

Drag Specialties Derby Cover - Aluminum, Each - Chrome for Harley-Davidson Softail & Dyna 2018-2026

In stock

DescriptionDerby Cover Die-cast construction with a domed design Includes mounting hardware '06 Dyna Glide and all '07-'18 Big Twin (except '16-'18...

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£50.74 - £50.74
£50.74
£51.51
£51.51 - £51.51
£51.51
£54.32 - £54.32
£54.32
£55.15
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£55.15

Drag Specialties Derby Cover - Each, Aluminum - Black / Wrinkle for Harley-Davidson Softail & Dyna 2018-2026

In stock

DescriptionDerby Cover Die-cast construction with a domed design Includes mounting hardware '06 Dyna Glide and all '07-'18 Big Twin (except '16-'18...

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£54.32 - £54.32
£54.32
£55.15
£55.15 - £55.15
£55.15
£50.74 - £50.74
£50.74
£51.51
£51.51 - £51.51
£51.51

Drag Specialties Derby Cover - Aluminum, Each - Black / Gloss for Harley-Davidson Softail & Dyna 2018-2026

In stock

DescriptionDerby Cover Die-cast construction with a domed design Includes mounting hardware '06 Dyna Glide and all '07-'18 Big Twin (except '16-'18...

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£50.74 - £50.74
£50.74
£51.51
£51.51 - £51.51
£51.51
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£585.16
£585.16 - £585.16
£585.16
£536.10
£536.10 - £536.10
£536.10

Baker Drivetrain Function-formed™ Transmission Side Cover Assembly - Kit, 6061-T6 Aluminum, Side Cover / Transmission - Black for Harley-Davidson Touring, Softail & Dyna 2006-2017

In stock

DescriptionFunction-Formed™ Transmission Side Cover Assembly Function-Formed™ aesthetics milled out of aircraft grade 6061-T6 aluminium Low profile...

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£585.16
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£585.16
£536.10
£536.10 - £536.10
£536.10
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£503.24
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£503.24
£461.02
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£461.02

Baker Drivetrain 6-speed Transmission Door Assembly - Kit, 6061-T6 Aluminum - Black / Wrinkle for Harley-Davidson Touring, Softail, Dyna & FXR 2006-2024

In stock

Description6-Speed Transmission Door Assembly Manufactured with 6061-T6 Aluminium 28% wider bearings when compared to stock Bearings are retained w...

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£503.24
£503.24 - £503.24
£503.24
£461.02
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£461.02
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£503.24
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£503.24
£461.02
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£461.02

Baker Drivetrain 6-speed Transmission Door Assembly - 6061-T6 Aluminum, Kit - Polished for Harley-Davidson Touring, Softail, Dyna & FXR 2006-2024

In stock

Description6-Speed Transmission Door Assembly Manufactured with 6061-T6 Aluminium 28% wider bearings when compared to stock Bearings are retained w...

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£503.24
£503.24 - £503.24
£503.24
£461.02
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£461.02
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£59.91 - £59.91
£59.91
£60.82
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£60.82

Drag Specialties Split Skull Derby Cover - Aluminum, Each - Chrome for Harley-Davidson Sportster 2004-2022

In stock

DescriptionSplit Skull Derby Cover Die-cast construction Matches other Drag Specialties split skull covers '06 Dyna Glide and all '07-'18 Big Twin ...

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£59.91 - £59.91
£59.91
£60.82
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£60.82
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£81.58
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£81.58
£63.43
£63.43 - £63.43
£63.43

Barnett Derby Cover Spacer Kit - Billet Aluminum for Harley-Davidson Touring, Softail, Dyna & Trike 2007-2025

In stock

DescriptionDerby Cover Spacer Kit Kit includes billet aluminium spacer plate, O-ring and chrome torx fasteners Required on the '15 FLHTCUL and FLHT...

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£81.58
£81.58 - £81.58
£81.58
£63.43
£63.43 - £63.43
£63.43
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