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Firma BMX Parts

Firma BMX is a UK based brand specialising in creating no-nonsense, affordable parts whilst maintaining tried and tested quality. Their product line up includes Bars, Grips, Rims, Cranks, Brakes and more. Firma give you solid parts made at the same factories as the most expensive brands but at an affordable price. 

Firma Crank Bolts Pair
In Stock

Firma Crank Bolts Pair

£7.99

Replacement bolts for Firma 8 spline cranks. Will also fit other 8 spline 19mm crank axles.

£7.99
Firma BMX Parts Firma 19mm 8 Spline Crank Spindle with Bolts
In Stock

Firma 19mm 8 Spline Crank Spindle with Bolts

£19.99

•  19mm replacement axle for 8 spline sealed bearing cranks. •  If you have 8 spline loose ball cranks you will need one of these spindle to use wi...

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£19.99
Firma BMX Parts 170mm / Black Firma 3 Piece Cranks with Mid Bottom Bracket and Sprocket Black
On Sale In Stock

Firma 3 Piece Cranks with Mid Bottom Bracket and Sprocket Black

£69.99
£129.99

Firma do it again with a great budget drivetrain upgrade kit. Including everything you need to freshen up the front end of your drivetrain. The kit...

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£69.99
£129.99
Save 46%
Firma BMX Parts Firma Removable Brake Cable Guide Hardware
In Stock

Firma Removable Brake Cable Guide Hardware

£9.99

Frame Lugs Cable Hardware - Removable cable guides for the frame and 1 cable adjuster.

£9.99
Firma BMX Parts Firma Removable Bolt Through Style 3 Brake Mount Kit
In Stock

Firma Removable Bolt Through Style 3 Brake Mount Kit

£9.99

Want to add brakes to your bike but have lost the removable brake hardware that it came with? Fear not! Our handy FIRMA removable brake mount kits ...

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£9.99
Firma BMX Parts Firma U-Brake Black
In Stock

Firma U-Brake Black

£19.99

Firma U Brake Twin Pinch bolts Dual adjustable spring tensioners Comes with straddle wire and bridge Fitted with black brake Blocks

£19.99
Firma BMX Parts Firma Pro 48 Crank Black RHD
In Stock

Firma Pro 48 Crank Black RHD

£119.99

Upgrade the entry-level 8 spline pinch-bolt cranks on your bike with these Pro-level Firma 48-spline Firma cranks.  The Firma Pro crank uses qualit...

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£119.99
Firma BMX Parts Firma V2 Mid Bottom Bracket Black
Options Available In Stock

Firma V2 Mid Bottom Bracket Black

£21.99

Simple classic mid bottom bracket, plain cones supplied with various shims to alter the tuber spacer length. •  19mm or 22mm. •  Weight 190 grams (...

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£21.99
Firma BMX Parts Black Firma Nylon Pedals
In Stock

Firma Nylon Pedals

£17.99

Made from Nylon for extra durability. Low profile Design. 9/16" thread for all three piece cranks. Chromoly Axle. Knurling pedal body giving e...

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£17.99
Firma BMX Parts Firma Cassette Wheelset Black Pair
On Sale In Stock

Firma Cassette Wheelset Black Pair

£259.99
£290.00

Quality ready-built Firma front and rear wheel set.  Rear Firma sealed bearing cassette hub. 14mm male axle. 9T. RHD.  Front Firma sealed bearing h...

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£259.99
£290.00
Save 10%
Firma BMX Parts Firma Cassette Wheel Black
On Sale In Stock

Firma Cassette Rear Wheel Black

£143.99
£179.99

Quality ready-built Firma rear wheel with maleaxle hub.  Firma sealed bearing cassette hub. 14mm male axle. 9T. RHD.  Firma Highway Rim. Double wal...

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£143.99
£179.99
Save 20%
Firma BMX Parts Firma Front Wheel Black
On Sale In Stock

Firma Female Front Wheel Black

£87.99
£109.99

Quality ready-built Firma front wheel with female axle hub.  Firma sleaed bearing front hub. Low flange. 10mm bolts.  Firma Highway Rim. Double wal...

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£87.99
£109.99
Save 20%
Firma BMX Parts Firma V2 Brake Lever Black
Options Available

Firma V2 Brake Lever Black

£9.99

6061 Alloy Lever with laser etched Firma logo Available in either Left or Right hand side Sold as Singles Black Only

£9.99
Sold out
Firma BMX Parts Firma Removable Style 2 Brake Mount Kit

Firma Removable Style 2 Brake Pivot Mount Kit

£9.99

Want to add brakes to your bike but have lost the removable brake hardware that it came with? Fear not! Our handy FIRMA removable brake mount kits ...

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£9.99
Sold out
Firma BMX Parts Firma Highway Rim 36h Black

Firma Highway Rim Black

£19.99

20" 36H Firma Highway Rim Double Walled Rim Pinned Rim

£19.99
Sold out
Firma BMX Parts Black / 25T Firma Alloy Sprocket 25T Black

Firma Alloy Sprocket 25T Black

£14.99

Firma Alloy Sprocket 25T Black

£14.99
Sold out
Firma BMX Parts Firma Integrated V3 Headset Black
Special Order

Firma Integrated V3 Headset Black

£19.99

Classic, clean and simple. The Firma Internal headset is a quality affordable replacement headset. Alloy cover. Improved Sealed bearings. Standard ...

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£19.99
Firma BMX Parts Black Firma Mushroom Grips
Special Order

Firma Mushroom Grips

£7.99

Firma Mushroom Grips

£7.99