Theory

The Theory Grip Stop are a simple machined aluminum clamp that keeps your grip in place. What you see is what you get.  SOLD INDIVIDUALLY 

Theory Headset Spacer Kit Aluminum Kit includes 3 spacers: (1)2mm , (1)5mm, and (1)10mm Fits 1-1/8" steer tubes

6" x 2"

Theory Integrated Headset Sealed cartridge bearings 10mm dust cover

The Theory Legacy NW Sprocket is a "narrow wide" sprocket design meaning it is meant to be used with multi speed bikes. The "narrow wide" design, o...

Theory Legacy Sprocket  6061 Aluminum 19mm and 22mm adapters included 1/8" 

The Theory Median Pedals are a combination of thermoplastic bodies with removable steel pins. The removable pins are perfect for utilizing one side...

The Theory Method Tires are a great addition to the big BMX game with its refined design that offers a fast and grippy tire that wont break the bank.

The Theory Method Tires are a great addition to the big BMX game with its refined design that offers a fast and grippy tire that wont break the bank.

The Theory Mid Bottom Bracket comes with everything you need to get your crankset installed.  The kit includes two sealed cartridge bearings, tube ...

How are we going to see that work if your slippin' off the pegs? Don't worry Theory has you covered with pre-cut hassle free installation grip for ...

The Theory Pivotal Post is your basic pivotal post. Functions as it should, and comes in at a price that won't make you cry. Works best with tradit...

Direct replacement for the Theory Predict Cassette wheel.

Versatile tread pattern designed to work well on all terrain. 65psi max

The Theory Quickie QR  Seat Clamp lets you add some style and convenience with one swipe of the card. Alloy an anodized colors... what else do you ...

The Theory Rattlesnake Freewheel is not your basic freewheel, it comes in fancy colors! Not only does the Rattlesnake look sick, but it also sounds...

30mm wide Sold in pairs

Theory Side Bolt Seatpost  Alloy construction 350mm length

Theory Silicone Grip

Theory Spindle Bolts are direct replacement to Theory's Converse cranks. Conveniently replace just the spindle bolts as opposed to buying a spindle...

Theory Stem Bolts  Solid bolts Fit most current BMX stems M8 x P1.25mm Sold in a pack of 6

Theory Threadless Cup Headset  1-1/8" standard cup headset

Theory Traction Pivotal Seat  Padded base Grippy & Durable cover Simple