Ask a Question

If you have a question about this product, want to know more information or just have a general question please fill out the form below and let us know what you are looking at, and what you would like to know. Alternatively you can call us on 01942 826598 if it is urgent.

Close

Filter By:

Arm Length

Brand

Colour

In Stock

Option

Size

SIze

Spindle

Type

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 BMX Parts Firma V2 Brake Lever Black
Options Available In Stock

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   Current batches of these lev...

View full details
£9.99
Firma BMX Parts Firma Removable Style 2 Brake Mount Kit
In Stock

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 ...

View full details
£9.99
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 ...

View full details
£9.99
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...

View full details
£69.99
£129.99
Save 46%
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...

View full details
£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 (...

View full details
£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...

View full details
£17.99
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...

View full details
£143.99
£179.99
Save 20%
Firma BMX Parts Firma 19mm 8 Spline Crank Spindle with Bolts

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...

View full details
£19.99
Sold out
Firma Crank Bolts Pair
Special Order

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 U-Brake Black
Special Order

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 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 Front Wheel Black
On Sale Special Order

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...

View full details
£87.99
£109.99
Save 20%
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 ...

View full details
£19.99
Firma BMX Parts Black Firma Mushroom Grips
Special Order

Firma Mushroom Grips

£7.99

Firma Mushroom Grips

£7.99
Firma BMX Parts Firma Cassette Wheelset Black Pair
On Sale

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...

View full details
£259.99
£290.00
Sold out