Are you planning to buy one piece crank bottom brackets, and are you confused about the options ? This page is just for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Shimano One Piece Crank Bottom Bracket READ REVIEW

Best For Perfect Fit: Buy: Sunlite One Piece Crank Bottom Bracket READ REVIEW

Best For Good Quality: Buy: Isoar One Piece Crank Bottom Bracket READ REVIEW

Best For Bmx: Buy: Black Ops One Piece Crank Bottom Bracket READ REVIEW

Best For Mtb: Buy: Hoypeyfiy One Piece Crank Bottom Bracket READ REVIEW

Best For Use With Single Speed Bicycles: Buy: Fenix Cycles One Piece Crank Bottom Bracket READ REVIEW

Best With Ball Bearing: Buy: Lanturn One Piece Crank Bottom Bracket READ REVIEW

Best For Beach Cruiser: Buy: Donsp1986 One Piece Crank Bottom Bracket READ REVIEW

Best Easy To Install: Buy: Lowrider One Piece Crank Bottom Bracket READ REVIEW

Best Overall: Shimano One Piece Crank Bottom Bracket

Buy on Amazon

The Shimano One Piece Crank Bottom Bracket's material feels more premium than its price would suggest. The shimano one piece crank bottom bracket is built for easy installing and it is very light. Make sure this fits by entering your model number. Moreover, the bracket is made with fast delivery and has a great bb design.

The bracket works for lower weight and it is smoother. And, this works with dura-ace, is easy to replace and it works perfectly. Lastly, the shimano one piece crank bottom bracket comes with great quality, is applicable and it comes with an awesome price.

Most buyers quickly discovered that the bracket is a threaded bb and won't work in any press fit. In addition, they also found that the bracket fits easily with the right tool. In addition, they strongly agree that the bracket includes no spacers and is also as good as a $100 bb. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• This works with Tiagra and 105 ...not sure about claris.
• This fits all 24mm shaft cranks.
• This is fc-4500 which is hollowtech ii.
• This fits into an English threaded frame.

Best For Perfect Fit: Sunlite One Piece Crank Bottom Bracket

Buy on Amazon

Compared with other brackets in this category, the Sunlite One Piece Crank Bottom Bracket has a convenient design. The sunlite one piece crank bottom bracket is simple and it needed new bearings. . Also, the bracket lasts longer, is vibration free and it looks great. Above all, the sunlite one piece crank bottom bracket is very nice and it is great for mountain bikes.

Most customers agree that the bracket comes with an electro zinc coating that will be silver in color. In addition, a few also found that the bracket was included if you buy the set shown the bearings. Also, a few also found that this bottom bracket is for a once - piece crankset that is installed into a 68 mm frame bottom bracket shell. In short, many customers have used the bracket for more than a few months without letup, and it shows no sign of giving up.

• This comes in a sealed package.
• It is easy to swap "one piece crank" or ashtabula bottom bracket.
• This is for a 60's era schwinn and it fits.
• This is not a sealed unit, nor sealed bearings.

Best For Good Quality: Isoar One Piece Crank Bottom Bracket

Buy on Amazon

The Isoar One Piece Crank Bottom Bracket's superior materials makes sure that it ages well with use. The isoar one piece crank bottom bracket is easy to scratch the axle. Make sure this fits by entering your model number. In addition, the bracket is made of high quality aluminum alloy, This wrench is rather sturdy and durable.

The bracket is perfect for bicycle repair plants and it is solid. Above all, the isoar one piece crankbottom bracket is made with great quality, looks great and it is very happy.

Almost all customers opine that the bracket is a perfect fit on the seam dub bsa. Also, they strongly agree that the bracket is compatible with all series of sram dub bsa, including your dub bsa 68/73 bb. To sum up, most buyers call the bracket suits best, and no one questions it.

• This is lightweight, makes for a great tool and it works as intended.
• It looks like it will be durable as well.
• 【Size】approx. 19.5 * 6.3cm / 7.6 * 2.5inch.
• This is applicable to factories and it is strong.

Best For Bmx: Black Ops One Piece Crank Bottom Bracket

Buy on Amazon

The best part: black ops ' one piececrank bottom bracket costs comparatively little and it is available to ship in 24 hours. Moreover, the Black Ops One Piece Crank Bottom Bracket allows for easy installing and it has a sealed mechanism. Make sure this fits by entering your model number. And, it makes for a great buy, looks good, it buy again and has a sealed bearing design. Finally, the black ops one piece crank bottom bracket is available in black and silver colors.

Most buyers agree that the bracket is designed to work with 1 piece cranks only. In addition, they strongly agree that the bracket is the correct od (2.02" id frame bb tube), but different parts are listed for 65mm and 68mm bb tubes for some reason. Further, a few strongly agree that if the bracket is about 2" or 51mm then this should fit. In short, at the price, they believe that they got a steal of a deal with it.

• Trusted black ops brand that stands for quality and durability.
• This is made of quality materials.
• This is perfect for any bmx bike.
• For one piece cranks: will only work with onepiece cranks systems.

Best For Mtb: Hoypeyfiy One Piece Crank Bottom Bracket

Buy on Amazon

The Hoypeyfiy One Piece Crank Bottom Bracket is capable of outshining several other brackets featured in this list in overall features for the price point. The high one piece crank bottom bracket makes for a great replacement and it fits great. The manufacturer says: We provide perfect customer service, you can buy with confidence. And, this makes sure it is perfect for high class quality.

Lastly, the hoypeyfiy one piece crank bottom bracket is very durable and it is very smooth.

Almost all buyers quickly discovered that the bracket is a great upgrade from the stock bottom bracket. Further, they strongly agree that the bracket is designed to fit a square tapered spline, possibly. And, they strongly agree that the traditional Italian frame 's bottom bracket threading is different than this bb, which is designed for the " British " standard threading. Overall, the tone of buyers is very positive and we believe that the bracket suits the purpose.

• Fit for bb-un26 68*123, 68*127, 68*110mm square taper bottom bracket.
• Please check the size of your original square taper bottom bracket.
• High class quality and very durable, brand new and well - packed.
• Package includes: 1x square taper bottom bracket.

Best For Use With Single Speed Bicycles: Fenix Cycles One Piece Crank Bottom Bracket

Buy on Amazon

The fenix cycles one piece cranking the bottom bracket's material feels more premium than its price would suggest. The fenix cycles one piece. crank. The bottombracket is simple and it is very happy. Make sure this fits by entering your model number. Further, the bracket is ideal for use with single - speed bicycles and it provides great value. Finally, the Fenix Cycles One Piece Crank Bottom Bracket to make sure it works well for good quality.

Most buyers find that the bracket would grind the bearings into the cups. Furthermore, a few also found that the bracket fits old school bmx freestyle bikes. As a result, customers were eager to recommend it to friends and would-be buyers.

• Includes: 5/16 x 9 bearings, 51.1mm cups, 128mm 24tpi axle length.
• For a bottom bracket conversion kit set 1pc to 3pc crank 128mm chrome.
• New and hot releases.

Best With Ball Bearing: Lanturn One Piece Crank Bottom Bracket

Buy on Amazon

The features department is where Lanturn One Piece Crank Bottom Bracket truly manages to shine. The lanturn onepiece crankbottom bracket makes sure and it is built for easy install. Are you looking for bearing repair accessories for your bicycle. Further, this is suitable for bicycle crank, such as. Finally, the lanturn one piececrank bottom bracket makes for a great replacement and it comes with a satisfaction guarantee.

With no doubts, this bracket passed the test and had very satisfied buyers eager to share their experience.

• Keep your bike away from abnormal noises, run more smoothly.
• This ball bearing retainer with 9 balls, which is suitable for bicycle bottom bracket.
• These ball bearing retainer repair accessories are just designed for you.

Best For Beach Cruiser: Donsp1986 One Piece Crank Bottom Bracket

Buy on Amazon

Not everyone likes to purchase brackets for their daily usage, but the Donsp1986 One Piece Crank Bottom Bracket would be an anomoly. The donsp1986 one piece crank bottom bracket fits on most bikes, such as beach cruiser, lowrider, chopper bike frames. 2" cup bottom bracket set, one-piece bottom bracket cup set bearings included, silver. Further, this is perfect for bottombracket bearings and it works perfectly. Above all, the donsp1986 one piece crank bottom bracket comes with good stuff and it is super smooth.

Most buyers found that the bracket is a good replacement for the original. In addition, they say that the bracket looks nice. it comes greased up and ready to go.

• Bearings and cups for one-piece crank.
• 2" cup bottom bracket set,one-piece bottom bracket cup set with bearings included,silver.
• Fits on most bikes, such as beach cruiser, lowrider,chopper bike frames.

Best Easy To Install: Lowrider One Piece Crank Bottom Bracket

Buy on Amazon

The Lowrider line of bracket comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Lowrider One Piece Crank Bottom Bracket to make sure it fits well. Make sure this fits by entering your model number. And, the bracket fits 1/piece, ball size 5/16", balls 7.

The bracket makes for a great replacement and it works as intended. Lastly, the lowrider one piece crank bottom bracket allows for great fit, fits perfect and it fits great.

Most buyers found that the bracket fits most bikes that have 7 ball bearings. Also, they strongly agree that the bracket is perfect for the bottom bracket it is designed for. In short, many have used the bracket for more than a few months without any issues, and it shows no sign of giving up.

• This can be used as a crank bearing for a Walmart kid's bike.
• They match the original bearings.
• This comes with free valve caps.