Best Steel Bike Bottom Brackets in 2026
Daisy
Last Updated: Feb 13, 2026
Daisy
Last Updated: Feb 13, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| cyclingdeal_usa | 9.90 | ✅ | ✅ | ✅ |
COMPATIBILITY I: compatible with Shimano 16-Notch X 44mm: Fits 16-notch, 44mm diameter external bearing bottom bracket cups including for Shimano Hollowtech II, Campagnolo Ultra-Torque and Power Torque, Race Face X-type, FSA MegaExo, SRAM/Truvativ GXP, Chris King, and Phil Wood outboard bearing. compatible with Shimano BB80, BB5700, XT BB70, BB51, and previous external bearing threaded cups. Also fits disc brake rotor lockrings with 16 external notches.
COMPATIBILITY II: Fits 16-notch, 49mm diameter external bearing bottom bracket cups including FSA Mega Evo, Wheels Manufacturing PF30, Wheels Manufacturing T47, GUB BB386, and others. NOTE: It will be compatible with Shimano TL-FC24 and TL-FC25 adapters.
EXTRA LONG HANDLE: It provides better leverage to remove really tough bottom brackets, and the non-slip rubber grip offers stronger friction for ease of use.
BUILT TO LAST: Made of high-quality heat-treated steel for improved functionality and longevity.
ORDER NOW, WORRY-FREE! We're so confident about our product quality that we can provide a lifetime warranty! Made in Taiwan.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Thinvik | 9.85 | ✅ | ✅ | ✅ |
【Compatible With】Work for 68mm BSA bike thread bottom. Compatible with Shimano BB-UN26/BB-100/BB-101/BB-300.Please purchase according to the original length, the length error is applicable within 2mm.108/110/113/116/118/122.5/127mm for choose.
【Superb Material】High class quality,the bottom bracket is solid and durable with a long service time.Sealed bearing assembly provide better sealing and lubrication performance.
【Protect Bike Frame】Integrated System of this square taper bottom bracket can protect the frame, more power output, it's better than ordinary structure bottom bracket. The weight is very light and does not impose an extra burden on the bicycle.
【Save Effort】The square taper bottom bracket has fine workmanship, precision threads can be better connected, 2 Bearings structure makes the spindle more flexible and less labor-intensive.
【Professional Service】We provide perfect customer service, you can buy with confidence. If you have any questions about our products, you can feel free to contact us.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BikeWorldUSA | 9.72 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Bell's Bike Shop | 9.67 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hoypeyfiy | 9.83 | ✅ | ✅ | ✅ |
High class quality and very durable, brand new and well packed.
Fit for BB-UN26 68*123, 68*127, 68*110mm Square Taper Bottom Bracket.
Interface: Square Taper, Shell Size: 68 millimeter, Bearings: Steel.
Package Includes: 1x Square Taper Bottom Bracket.
We provide perfect customer service, you can buy with confidence. If you have any questions about our products, you can feel free to contact us.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jaceyon | 6.72 | ✅ | ✅ | ✅ |
【Dimensions and specifications】:OUTER DIAMETER: 1.74 inch/44.5, INNER DIAMETER: 1.28 inch/32.5mm, BALL DIAMETER: 5/16 inch. Please confirm whether this size is suitable for your bicycle before you buy them!!!!!!!!!!!!!!
【Application:】: This kind of ball bearing stainless steel ball inlaid in the retainer design,It is a bicycle parts, it's suitable for replacing the crank bearing of the bicycle.
【Material】: This ball bearing retainer made of steel, high quality, durable and high intensity.
【Widely usage】: This beads rack for bike parts replacement, suitable for ordinary bicycles, mountain bikes, adult bicycle, lowrider bikes, stretch bicycles.
【Satisfaction guarantee】: Your purchase is fully protected when you order today. If you are not satisfied with with our products, contact us any time, We will get you back within 24 hours try our best to make things right.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GreenUCT | 9.59 | ✅ | ✅ | ✅ |
PREFERRED BICYCLE TOOL: Great installation and removal tool kit for your bike bottom bracket.
HIGH QUALITY MATERIALS: Constructed of aluminum alloy and stainless steel, very durable.
SUITABLE BEARINGS: Suitable bearings: 6805 (25x37x7), 6806 (30x42x7).
INSTALLING FOR MOST MODELS: Suitable for removing BB86/BB30/BB91/BB92/PF30 press-fit type bottom brackets, and installing most hollow threaded bottom bracket bearings.
DIVERSE CHOICES: The functions of the simple version is the similar to the professional version and most accessories are the same. The professional version is equipped with stainless steel handle that makes it easier and stable for installing.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Planet Cyclery | 9.81 | ✅ | ✅ | ✅ |
Material: [cups] aluminum, [bearings] 6806 stainless steel, [inner sleeve] plastic
Shell Type: English threaded (BSA)
Shell Width: 68/73mm
Claimed Weight: 3.1oz (87g)
Manufacturer Warranty: 1 year
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Bell's Bike Shop | 9.67 | ❌ | ❌ | ❌ |
Bearings & cups for 3-piece cranks. Includes right & left cup, lockring & bearings.
68/73mm
English Thread
Steel
123g
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Vidoo | 9.60 | ✅ | ✅ | ✅ |
High Quality-The bottom bracket is made of stainless steel, solid with a long service time. Light weight, no additional burden.
compatible with Size-Suitable for 80/100mm frame shell. Cups thread size and pitch 34.798mm 1.37 * 24TPI.Please use the BB tool to install and replace the bottom bracket for safety.
Integrated System-Integrated system can protect the frame, more power output, it's better than ordinary structure bottom bracket. With two screws, easy to install.
More Practical-The steel shell can absorb roundness tolerance for the valves ports of Bracket Bottom.
Guarantee-If you have any questions about our products, please send us an email and we will get back to you as soon as possible within 24 hours.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Vidoo | 9.60 | ✅ | ✅ | ✅ |
The bottom bracket is solid and durable with a long service time. Suitable for 68mm frame shell. Please confirm the size before purchase.
The steel shell can absorb roundness tolerance for installing ports of Bracket Bottom. Please use the BB tool to install and replace the bottom bracket for safety.
Integrated System can protect the frame, more power output, it's better than ordinary structure bottom bracket. The weight is very light and does not impose an extra burden on the bicycle.
Fine workmanship, precision threads can be better connected, 2 Bearings structure makes the spindle more flexible and less labor-intensive.
If you have any questions about our products, please send us an email and we will respond to you within 24 hours. Thank you for your interest in our products.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| LEYU-US | 9.71 | ✅ | ✅ | ✅ |
High Class Quality: Boenoea bottom bracket with steel shell is solid and durable with a long service time, works excellent, the ease of operation, the use safe reliable.
Sealed Bearing Design: Waterproof, dust bearing and maintenance-free sealed cartridge bearing design, which can help to prevent the erosion of sediment water, dirt, mud.
Easy to Install: Two Bearings precision thread design to better connect with the arm of the bike. Help you fast and easy installation without adjustment.
Safety: Integrated structure has no abnormal noise, with no gaps to prevent the assembly stuck, safe for use. And bottom bracket system can protect the frame, more power output, it's better than ordinary structure bottom bracket.
Package: 1x Square Taper Bottom Bracket, 2x Screws
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Zreneyfex | 9.79 | ✅ | ✅ | ✅ |
Fit for BB-UN26 68*123, 68*127, 68*110mm Square Taper Bottom Bracket.
Interface: Square Taper, Shell Size: 68 mm, Bearings: Steel.
Package Includes 1pcs Square Taper Bottom Bracket.
Super-accurate bearings promote smooth operation and longer use.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Nylon fiber cups on both sides
Silver CrMo hollow axle
110.5/115/119/122.5/127.5/131mm available
Sealed bearings and axle bolts with sealing ring
Max torque of 58 N-m
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Omni Racer | 5.53 | ❌ | ❌ | ❌ |
WANT THE LIGHTEST or CERAMIC MODEL? See the full TITANIUM & CERAMIC version link at bottom.
CRANKSET FIT: SHIMANO and other JIS 2.0° Degree Square Taper type
SUPER SMOOTH PREMIUM BEARINGS: Premium ABEC 5 standard, Grade 5 Chromium Steel Balls, and polished 52100 High Carbon Chromium alloy races sealed with X-SEALS. Extremely close tolerances for I.D. and O.D., roundness of ball, trueness of the races and micro surface finishes of balls and races.
SUPER LOW FRICTION X-SEALS: Patented technology uses Low Friction Dual Lip Seals housed in the Premium bearings and CNC machined alloy cups. This allows the seals to fit very precisely and allow for less contact between the rotating parts in order to reduce energy-wasting friction. In addition, the seals provide better protection for the bearings since there is less space for the elements to get past the seals.
HOLLOW LIGHTWEIGHT SHAFT: Strong and stiff CNC machined hollow CROMOLY STEEL shaft for extra weight savings. JIS 2.0 degree square taper shaft.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Bell's Bike Shop | 9.67 | ❌ | ❌ | ❌ |
American style BB for older three piece cranks
American BB for 3-piece cranksets
Fits 68mm American frames
Steel construction
Weight: 517g
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Rocky Mountain Bearings | 6.59 | ❌ | ❌ | ❌ |
BB30 Bottom Bracket Bearings
Lifetime Warranty
Direct Replacement for both BB30 and PF30 Press Fit Bearings
Bearing Dimensions: (30 x 42 x 7mm) 6806-2RS
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Bell's Bike Shop | 9.67 | ❌ | ❌ | ❌ |
Forged steel body
Alloy cups
Chromoly spindle
Sealed bearings
SHIMANO Equivalent BB-UN55
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| J and K Emporium | 6.79 | ✅ | ✅ | ✅ |
Material: [cups] aluminum, [bearings] steel
Shell Type: BSA
Shell Width: 68/73mm
Threading: English
Spindle Type: DUB
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Movatik | 9.88 | ✅ | ✅ | ✅ |
Fits JIS square-taper cranksets
SHIMANO quality/performance cartridge bearing square bottom bracket
Adapter material: Aluminum
Better chainline stability with chain line stabilizer
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| transparent | 9.15 | ✅ | ✅ | ✅ |
PREFERRED BICYCLE TOOL: Great installation and removal tool kit for your bike bottom bracket.
SUITABLE BEARINGS: Suitable bearings for 6805 (25x37x7), 6806 (30x42x7).
HIGH QUALITY MATERIALS: Constructed of aluminum alloy and stainless steel, very durable. Great installation and removal tool kit for your bike bottom bracket.
INSTALLING FOR MOST MODELS: Suitable for removing BB86/BB30/BB91/BB92/PF30 press-fit type bottom brackets, and installing most hollow threaded bottom bracket bearings.
DIVERSE CHOICES: The functions of the simple version is the similar to the professional version and most accessories are the same. The professional version is equipped with stainless steel handle that makes it easier and stable for installing.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Yuehuam2019 | 6.31 | ✅ | ✅ | ✅ |
Please use the BB tool to install and replace the bottom bracket for safety.
Suitable for 80/100mm frame shell.
The bottom bracket is solid and durable with a long service time.
The steel shell can absorb roundness tolerance for installing ports of Bracket Bottom.
Integrated system can protect the frame, more power output, its better than ordinary structure bottom bracket.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ZYAMY | 9.75 | ✅ | ✅ | ✅ |
Dimensions: The outer diameter is about 1.16 inches / 29.5 mm, the inner diameter is about 0.75 inches / 19 mm, and the ball size is 1/4 inch x 9 balls. Please confirm the size before buying! ! ! ! ! ! !
Material: The ball bearing cage is made of steel material, with high quality, high strength, sturdiness and durability, and can be used for a long time.
Widely used for bicycle parts replacement, suitable for bicycle cranks, such as: mountain bikes, children's bicycles, low riding bicycles, children's bicycles, stretch bicycles.
Suitable: 9-ball ball bearing seat, suitable for 19mm inner diameter head parts, it is an ideal substitute for your bicycle.
Packing: 4 pieces of bicycle crank bearings 1/4" ball size x 9 balls. One pair of crank bearings is used for replacement, and the other pair can be used as a spare.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MUQZI | 8.96 | ✅ | ✅ | ✅ |
✅DURABLE MATERIAL - Made of aluminum alloy and stainless steel, with upgraded CNC process, not only durable, but also anti-rust, longer service life.
✅MULTI FUNCTION TOOL - Used for removal and installation of press-fit type bottom brackets such as BB86, BB30, BB91, BB92, etc. In addition, it can disassemble most hollow threaded bottom bracket bearings. A great bicycle maintenance tool for bicycle enthusiasts.
✅EASY TO USE - Very easy to remove and replace the bearings on the bike without damaging them. Suitable bearings for 6805 (25X37X7) Bearing, 6806 (30X42X7) Bearing, Press-In Type BB R92/T86 R30 (BB30 To BB24 Converter)
✅DIFFERENT VERSIONS - Professional version and simple version, the simple version has all the functions of the professional version. The professional version is equipped with a stainless steel handle that makes it easier and stable for installing.
✅RELIABLE CUSTOMER SERVICE - MUQZI always focuses on product quality and service. Any questions, please feel free to contact us. We are here ready to help.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Catazer | 9.30 | ✅ | ✅ | ✅ |
High-class quality and very durable, brand new, and well packed.
Fit for BB-UN26,68*103/107110.5/113/116/118/120/122.5/124.5/127.5mm
Interface: Square Taper, Shell Size: 68 millimeters, Bearings: Steel.
Package List:1 * Quare Hole Axis, 2 * Screws
After-Sale Service: Thanks for your purchase. If you have any problems, please feel free to contact us any time. We promise you satisfying solutions within 24 hours.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Eringy531 | 9.76 | ✅ | ✅ | ✅ |
[High-quality materials] The bicycle repair tool is made of high-quality alloy steel, and is hardened and heat-treated, high strength, rust-proof and durable.
[Practical repair tools] The bicycle chassis disassembly tool is practical and portable, and is a necessary maintenance tool for bicycle enthusiasts.
[Simple to use] This bicycle chassis disassembly tool is a convenient tool for repairing the bottom bracket of the bicycle. It is used for installation, loosening or tightening.
[Lightweight and portable] The bicycle chassis disassembly tool is mini and light in size, easy to carry and use.
[Applicable Model] This bicycle chassis disassembly tool is powerful and is suitable for the external bearings of the Hollowwtech II 16 cup bottom bracket notch.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 365 Cycles | 9.66 | ❌ | ❌ | ❌ |
Material: [shell] aluminum, [bearings] steel
Shell Type: BBRight
Shell Width: 79mm
Threading: press-fit
Axle Type: Shimano 24mm
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 365 Cycles | 9.66 | ❌ | ❌ | ❌ |
Material: [cups] aluminum, [bearings] steel
Shell Type: BBRight
Shell Width: 79mm
Threading: press-fit
Axle Type: SRAM DUB
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| meeqii | 9.67 | ✅ | ✅ | ✅ |
【Solid and sturdy】The bicycle bottom bracke is solid and sturdy, withstand long time using.
【For bracket bottom】 The steel shell can absorb roundness tolerance for installing ports of bracket bottom.
【Integrated system】Integrated system can protect the frame, more power output, it's better than ordinary structure bottom bracket, a must have cycling accessory.
【68mm frame shell】Suitable for 68mm frame shell. Please use the BB tool to install and replace the bottom bracket for safety.
【GUARANTEE 】If you have any questions, please feel free to contact us, we will answer you as soon as possible, if you have any other questions, we will provide a replacement within 180 days.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amaus | 9.67 | ✅ | ✅ | ✅ |
BETTER SYSTEM: Integrated system can protect the frame, giving more power output, better than ordinary structure bottom bracket.
TOP QUALITY: Square Taper Bottom Bracket is solid and durable with high quality material, which can use for a long time.
SUIT FOR: roundness tolerance can be absorbed by the steel shell of installing ports of Bracket Bottom, suitable for 80/100mm frame shell.
NOTICE: Please use the BB tool to install and replace the bottom bracket, because it will more safer for you.
GUARANTEE: If you are not satisfied with our product received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails as soon.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Sunlite | 8 |
| Vgeby1 | 8 |
| Campagnolo | 6 |
| Fsa | 4 |
| Jaceyon | 4 |
| Catazer | 3 |
| Omni Racer | 3 |
| Tripeak | 3 |
| Wheels Manufacturing | 3 |
| Boenoea | 2 |
We've carried out a comprehensive analysis of 4,595 reviews on bike bottom brackets steel, using our selection criteria to identify the best options in the sports apparel & equipment. Our findings reveal that most customers typically select bike bottom brackets steel priced around $36.22, with top brands including generic, vgeby1, fsa, catazer, upanbike, calidaka, lixada, jaceyon and tripeak and yuehuam
Our team of expert editors reviewed these high-quality items and handpicked the top 30 bike bottom brackets steel for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the sports apparel & equipment category. These include qiniu, amaus, vidoo, bodaway, amazon.com, catazer, upanbike us, transparent and greenuct and jaceyon .
We are dedicated to assisting our users in finding the right brackets Products based on their needs, saving them considerable time when choosing which bike bottom brackets steel to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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