Bottombracket
IRD Bottom Bracket Tenacity QB-40 - JISCup and cone bearings with polished races. Retro yes, but these balls are bigger than those in sealed cartridge bearings, so they will work longer and handle more load.
- JIS square taper interface
- CNC machined steel cups
- SS41 steel lockring
- Polished ball races on cups and axle
- 1/4”x 11 ball retainers
- 1.37 x 24tpi (English threading)
- For 68mm wide shells
Made in JapanMore info & orderNewBottom bracket italian threadAxle type: JIS Axle diameter: 36 mm Contents: Bottom bracket and crank boltsMore info & orderIRD Bottom Bracket Conversion Cups PairConversion cups for Swiss treatMore info & orderEccentric English Threaded Bottom Bracket, 24mmGot a bike with vertical dropouts but want to run it singlespeed? Convert that "regular" rig to a singlespeed with our new Eccentric Bottom Bracket, and get to spinning!
Made from single-block CNCed aluminum, these bottom brackets are designed to be used with any 24mm spindle, 2-piece cranksets, such as Shimano Hollowtech II, FSA, SRAM GXP, and many others.
Includes spacers to dial in pre-load, a GXP shim, a wave washer for the arm spindle side, and a tool that doubles as a chain tensioner / lockring wrench.More info & orderTA AXIX bottombracketTapered, or in other words, square bottom brackets. In my opinion still "the best. And especially these simple ones. 2 cups, 1 axle and 2 bearings. The axle is made of CroMo. A good alloy with optimum price and weight. More info & orderFrench Threaded Bottom BracketKeep your old French bike on the road!
Sealed, cartridge bearings for simplicity and longevity
Classic square taper design
JIS taper - works with most cranks
Hollow, boron steel axle
Aluminum cups
258g (110mm length)
Spindles are available in a variety of lengths to fit most cranksets
Includes crank bolts
Generally it is the crank model that determines spindle length, so check what spindle length the crank manufacturer recommends or measure your old BB. If between sizes, it's usually wise to choose the longer.More info & orderThreadless bottombracket threadlessbottombracket so fits the strangest bottom bracket lugs like French, Italian, Swiss, because wireless. 127mm long. The left cone clamps the bottom bracket in place. The solution for situations where the thread is worn out and a shaft is still needed. More info & order