BMX Bottom Brackets

A BMX bottom bracket kit to fit all BMX frames with a Mid BB. The kit includes 2x precision sealed bearings, centre spacer, Aluminum cone spacers and spare washers. Available with 19mm or 22mm inner diameter bearings.

Bearings. coloured cone spacers and spacer to fit Mid BB frames. Also fits Profile cups to work as a replacement set of bearings for US BB. Fits 22mm spline crank axles only

Mid BB kit from S&M. precision sealed mis bearings, machined aluminum bearing cones, extra crank arm spacers.

Buddky MFG and legendary French crew Marie Jade team up for a collab version of the BB Buddy. Whilst grinding on the BB shell of your frame is cool, they're not designed for grinding. The BB Buddy is a replacement non-drive bottom bracket spacer made for abuse and will give your frame some added protection. It sits at a slightly bigger diameter than your bottom bracket shell and is made out of post heat treated 4140 (the same stuff as a decent metal peg); this glorified washer will slide grinds faster and lock in better, ensuring your BB bearings won't melt to dust. 4140 post heat treated chromoly CNC Machined by an ageing...

Featuring serviceable, double lip sealed Enduro bearings, This bottom bracket is made with a USA machined aluminium shell for superior function and durability. Fits race frames with a BB86 Bottom bracket shell and cranks with a 24mm spindle.

Precision sealed MID cartridge bearings with CNC machined dust caps. Available in 19mm or 22mm options.

With precision sealed bearings and cold-forged, aluminum CNC machined cups, The Box One Titanium Square Taper bottom brackets are the best option for young BMX racers and other users of three piece cranks in search of performance gains and weight savings. They have hollow, custom titanium-nitride coated titanium spindles and carbon fibre center seals, helping keep the weight down between 185 and 190 grams. Other features include cups that are anodized black with anodized gold inner seals, and a JIS tapered spindle that comes in either 108 or 113 millimetres.

The Rant Bang Ur Euro BB kit is designed to work with most bikes that have a Euro BB. Accepts 19mm spindles, and spec is based on the most prevalent British ISO standard- 1.37” x 24tpi with 68mm BB shell. Includes LH and RH threaded alloy cups. 4 precision sealed bearings, 2 alloy cone spacers for a clean look, an alloy internal spacer, and 4 steel crank arm spacers for dialing in your chain alignment.

Fully sealed US bottom bracket from Saltplus with CNC alloy cones. Includes spacers to adjust chain lines on and 68,73 and 74mm BB shells.

Mid BB kit from Cult. precision sealed MID bearings, machined aluminum bearing cones, extra crank arm spacers.

The Jet BMX US Looseball Bottom Bracket is a low cost, conventional replacement for any 1-piece BMX Cranks. Steel construction throughout for strength with adjustable looseball bearings.

CNC'd Mid Bottom Bracket available in 19, 22 and 24mm sizes. With etched Eclat detailing and lightweight aluminium spacers.

Made for use with BMX Race frames with standard Euro BB’s running Square Taper (JIS) Crank sets. These BBs are made from lightweight but durable aluminium cups with quality sealed bearings and super-stiff Cr-mo square taper Spindles. The BB is sized for regular 68mm wide Euro BB’s which are found on most BMX race bikes with a choice of two Spindle lengths (108 or 113mm) to get that perfect crank/frame clearance. Supplied with 2x Spindle Bolts.

The Box Two External bottom brackets feature cold-forged and CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings. They are the perfect upgrade to the budget BBs sold with most cranksets. Box Two External Bottom Brackets are designed to fit all 24-millimeter crank spindles and frames with 68 or 73 x BC 1.37-inch bottom bracket shells.

Outboard Euro BB kit from Profile. Using larger and stronger bearings than any other Euro BB available. The cups are machined in the USA from 6061 aluminium. All spacers & washers included. Fits Profile and other 19mm style cranks.

Miki Fleck Da Silva has probably put more miles into the BB Buddy than anyone else so now has his own signature BB Buddy colourway. Whilst grinding on the BB shell of your frame is cool, they're not designed for grinding. The BB Buddy is a replacement non-drive bottom bracket spacer made for abuse and will give your frame some added protection. It sits at a slightly bigger diameter than your bottom bracket shell and is made out of post heat treated 4140 (the same stuff as a decent metal peg); this glorified washer will slide grinds faster and lock in better, ensuring your BB bearings won't melt to dust. 4140 post heat...

The Mankind Epoch Mid Size BB includes 2 sealed bearings, 2 6061 CNC alloy cones, a 51mm internal spacer and alloy washers.

Sealed bearing American BB Kit from S&M. Made in USA.

19mm Euro BB from Odyssey. The kit includes both threaded cups and bearings aswell as washers and tube spacers. Black only.

The Gusset GRS Bottom Bracket is a lightweight, sealed bearing BB designed to fit SRAM GXP fitment cranks only with its stepped 22mm - 24mm axles (22mm spindle one side, other end 24mm). Constructed using CNC machined alloy cups and designed to be press-fitted into 41mm internal Bottom Bracket shells, finished with a black anodised finish.

The Shimano HollowTech II bottom bracket assembly set includes left and right hand cups, spacers, inner cover, and inner O-rings. Its Light weight seal structure helps to remove vital grams to keep the weight as low as possible, those sealed cups also work to keep out dirt and water preventing the need for excessive maintenance. Designed for use with FC-MX70/MX71 chainsets, 68mm shell with short sleeve.

Whilst grinding on the BB shell of your frame is cool, they're not designed for grinding. The BB Buddy is a replacement non-drive bottom bracket spacer made for abuse and will give your frame some added protection. It sits at a slightly bigger diameter than your bottom bracket shell and is made out of post heat treated 4140 (the same stuff as a decent metal peg); this glorified washer will slide grinds faster and lock in better, ensuring your BB bearings won't melt to dust. 4140 post heat treated chromoly CNC Machined by an ageing BMXer in post-Brexit Britain Available in 19mm, 22mm and 24mm

All the bits you need for a replacement Euro BB. The cups are machined in the USA from 6061 aluminium and hold 2 sealed bearings each. All mounting hardware included. Fits Profile and other 19mm style cranks.

The Box Two Square Taper Cromo Bottom Brackets are the best option for young BMX racers and other users of three-piece cranks in search of an affordable, high-performance square taper bottom bracket. Each bottom bracket is hand assembled with a chromoly spindle, sealed bearings, forged and CNC-machined alloy cups and a composite centre spacer/seal.