Best Hollowtech Ii Bike Bottom Brackets in 2026
Daisy
Last Updated: Jul 19, 2026
Daisy
Last Updated: Jul 19, 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 |
|---|---|---|---|---|
| Bicycle Addiction | 9.95 | ✅ | ✅ | ✅ |
14 g lighter than SM-BB6700
smoother than SM-BB6700 (50 % less friction)
small ball bearings keep weight low
bearing cups anodized
recommended for Ultegra FC-R8000, FC-6800, 105 FC-5800, Metrea FC-U5000, FC-CX70
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Planet Cyclery | 9.81 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Cycle Sport USA | 9.39 | ❌ | ❌ | ❌ |
Sealed cartridge bearings
Includes cups, bearings, and inner sleeve
Weight: 92 grams
Spindle Interface: Shimano Hollowtech II
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Sheepshead Cycle | 9.76 | ❌ | ❌ | ❌ |
Material: [cups] aluminum
Shell Width: [English] 68 mm, [Italian] 70 mm
Threading: English, Italian
Manufacturer Warranty: 3 years
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Epessa | 9.90 | ✅ | ✅ | ✅ |
Available in 2 Spindle Interface Mode：Diamond Interface and Square Interface.
Hole spacing length:170mm(Please make sure it is the same as your original); total length:210mm;
Material: high quality Aluminum alloy.
Note 1: Please check the interface of your right crank arm is square or diamond. Keep both left and right arms have the same hole;Some GYM bikes may not be available, please confirm the length and connection port;
Note 2: If you have replaced the crank once, then you need to replace the bottom bracket when you update the crank again, because the life of the general bottom bracket is only 2 times.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| cyclingdeal_usa | 9.90 | ❌ | ❌ | ❌ |
COMPATIBILITY I: Shimano 16-Notch X 44mm: Fits 16-notch, 44mm diameter external bearing bottom bracket cups includes Shimano Hollowtech II, Campagnolo Ultra-Torque and Power Torque, FSA, GXP, Truvativ, and Phil Wood outboard bearing. Also fits disc brake rotor lockrings with 16 external notches. NOTE: Will fit Shimano TL-FC24 and TL-FC25 adapters.
COMPATIBILITY II: Bottom Bracket Wrench, Shimano 16-Notch X 41mm: New for 2015. Fits Shimano BBR60 (Ultegra 11-speed 6800 Series) and BB-MT800 (DEORE XT M8000 Series ) bottom brackets.
COMPATIBILITY III: Bottom Bracket Wrench, Shimano 16-Notch X 39mm: New for 2015. Fits Shimano XTR BB93 and Dura-Ace BB9000 bottom brackets.
COMPATIBILITY IV: Bottom Bracket Wrench, FSA Megaevo, English threading - 68mm width (BC-1.37” x 24T) which is used on-road bike.
ORDER NOW, WORRY-FREE! We're so confident about the quality of our product that we can provide a lifetime warranty! Made in Taiwan.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Movatik | 9.93 | ✅ | ✅ | ✅ |
Fits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle
Spindle Length: 110
BB Shell Width (mm): 68 mm
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Japan Explorer | 7.84 | ❌ | ❌ | ❌ |
Larger and wider set bearings to better distribute weight
Stronger bottom bracket shell
Easy to mount, bearing cups anodized
High qulaity percision sealing
Recommended for Saint FC-M815-2, FC-M815-1, FC-M810-2, FC-M810-1, FC-M820, FC-M825 / XT FC-M780, FC-M785 / SLX FC-M660-10 / Deore FC-M590-10 / FC-M552 / FC-T780, FC-T781, FC-T551
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Bicycle Addiction | 9.95 | ✅ | ✅ | ✅ |
Lightweight to offset weight disadvantage of drivetrain.
Smoother rotation
Better sealing performanceDurable enough for mountain bike usage
For English threaded bottom bracket
Approx Weight: 73g
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TRiPEAK TAIWAN | 5.63 | ✅ | ✅ | ✅ |
【Functionality Rides High】TRiPEAK steel bearings offer extreme durability and high performance efficiency, specially for off-road rides. Waterproof, dustproof, and efficient BB keeps the wheels rolling for miles and miles before you ever stop.
【Shell Width】Fits 68/73mm English (BSA) bracket shells, interchangeable between SHIMANO BBR-60, BBR-9100, ROTOR BB1 Road, CeramicSpeed BSA, FSA BB-6000 MegaExo and more with significantly less friction.
【Crankset Compatibility】Fits 24mm spindles, 100% compatible with SHIMANO DURA-ACE, TIAGRA, ULTEGRA, GRX, 105 HOLLOWTECH II, FSA MegaExo, ROTOR ALDHU/3D/3D24, RaceFace EXI crankset series, etc.
【Engineered for Perfect-Fit】Easy install, patented cup structure offers precise, solid fit to your frame. Ultimate protection from installation damage including wearing, deformation on carbon frames.
【Stiffer and Better】TRiPEAK steel bearing balls are 120% harder, 68% stiffer and 16 grams lighter compares to SHIMANO Dura-Ace BB-R9100.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DONSP1986 | 8.49 | ✅ | ✅ | ✅ |
2" Cup Bottom Bracket Set,One-Piece Bottom Bracket Cup Set Bearings Included,Silver
Fits on most bikes such as beach cruiser, lowrider,chopper bike frames
For one-piece crank ,Material: steel
Measure the diameter of bottom bracket shell before shoping, if it is exactly 2", then bottom bracket bearings set should fit.
Bearings and cups for one-piece crank
Threaded size of the cup is 15/16inch*24
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Dymoece | 9.79 | ✅ | ✅ | ✅ |
Size: 110.5mm/113mm/116mm/118mm/120mm/122.5mm/124.5mm/126mm
Sealed cartridge bearing assembly, suitable for 68mm frame shell
BSA integrated design, higher performance
Compatible with shimano BB-UN26 BB-100 BB-101 BB-300 square taper bottom bracket
Package list: 1 * square taper bottom bracket + 2 * screws
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Cycle Sport USA | 9.54 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Bikewagon | 9.81 | ❌ | ❌ | ❌ |
Machined engineering-grade Delrin
48g/pair
BB30 to 24mm Crank Spindle Shim
0
Derlin shim set reduces BB30 bearing inner diameter for use with Hollowtech II cranks, Machined engineering-grade Delrin
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WEND-AUTO | 9.63 | ✅ | ✅ | ✅ |
【Material】: Made of pure iron,sturdy and not easily deformed.
【Fits】：Compatible with Shimano (incl. BB80, BB5700, XT BB70, BB51), Campagnolo, SRAM/Truvativ GXP, Chris King, FSA MegaExo, Hope, Race Face X-type, Surly, Wheels Mfg, Fulcrum.
【Function】: Used to remove and install external bearing crankset bottom brackets.It features a 3/8" drive fitting and 1" wrench flats, allowing the tool to be driven using a wrench, socket, or 3/8" drive torque wrench.
【Size】: 16 Notch, 44mm.
| 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 |
|---|---|---|---|---|
| Goldeal Store | 9.92 | ✅ | ✅ | ✅ |
🚲Made of High-strength aluminum alloy,CNC Machining，Durable
🚲Hiht quality bearing, sealed and waterproof, more effortless riding,more with significantly less friction
🚲Shell width: Fits 68/73mm English (BSA) bracket shells, interchangeable between SHIMANO BBR-60, BBR-9100, ROTOR BB1 Road, CeramicSpeed BSA, FSA BB-6000 MegaExo and more with significantly less friction.
🚲Fits 24mm spindles, 100% compatible with SHIMANO DURA-ACE, TIAGRA, ULTEGRA, GRX, 105 HOLLOWTECH II, FSA MegaExo, ROTOR ALDHU/3D/3D24, RaceFace EXI crankset series, etc.
🚲Easy to install: Smooth rotation, easy installation and operation.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TRiPEAK TAIWAN | 5.63 | ✅ | ✅ | ✅ |
【Twist-Fit Technology】Integrated shell structure wards off shell deformity frequently found on traditional Press-Fit BBs. Maximum power transmission efficiency and extended BB longevity are guaranteed.
【Shell Width】Use with PF30 frames with 46mm shell width. Interchangeable between RACE FACE Bottom Bracket X-Type PF30, ROTOR PressFit 30 | 4624 MTB/Braquet PressFit 30 4624 Road, HOPE Bottom Bracket PF46 for 24 mm Spindle, and more.
【Crankset Compatibility】Fits 24mm spindles, 100% compatible with SHIMANO DURA-ACE, TIAGRA, ULTEGRA, GRX, 105 HOLLOWTECH II, FSA MegaExo, ROTOR ALDHU/3D/3D24, RaceFace EXI/X-Type crankset series, etc.
【Lighter Yet Stiffer】Ceramic hybrid bearing offers 58% reduction in weight while boosts 68% of structural stiffness and 120% hardness. Ultra smooth and all quiet riding experiences accompany the seamless, consistent performance.
【Easy Install】Innovative shell design allows for installing by twisting the cups, which greatly improves shell fit and shuts out contamination. Complete installation under 15 minutes.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Omni Racer | 5.53 | ❌ | ❌ | ❌ |
JUST 62 Grams!!! Super lightweight design for integrated external type bottom brackets/cranksets.
CRANKSET FIT: SHIMANO Hollowtech II, SRAM GXP, FSA.
FRAME FIT: English BSA 1.37"x24T R/L cups for 68mm
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.
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JK LLC | 7.65 | ❌ | ❌ | ❌ |
Alivio OEM BB51 BB52 Mountain Bicycle Bottom Bracket SM-BB51 SM-BB52 Deore / Alivio Hollowtech II Bottom Bracket
Manufacturer: Model: SM-BB51 SM-BB52 Fits all Shimano Mountain Hollowtech II cranksets, 24mm Spindled cranks where the spindle is part of the drive arm
Threading: 1.37" x 24tpi For either 68mm or 73mm wide English threaded bottom bracket shells Includes bottom bracket only. Does not include spacers required for use. Buyer must purchase spacers separately elsewhere, or re-use your old ones.
pacer use: Use three for 68mm shells Use only one for 73mm shells Subtract one spacer if using a bottom bracket mounted front derailleur Does NOT include spacers
Mass: 94 grams Condition: New, not in retail packaging
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| QQCycling-US | 6.23 | ✅ | ✅ | ✅ |
【Material】 Precision machined high durability and ultralight Alloy Plastic Steel. This material causes less damage to the bottom bracket than other normal steel and aluminum materials.
【Application 1】 5 In 1. Used to install and remove the bottom bracket of the Hollowtech: 16-notch 44mm OD Cup: suitable for SM-BB52, BB-MT500, BB-RS500 etc.; BBR60: 16-notch 41mm OD Cup: suitable for Shimano BBR60 (Ultegra 11-speed 6800 series), Shimano MT-800;
【Application 2】 Also compatible with FSA386: 16-notch 49mm OD Cup: suitable for FSA MegaEvo etc.; BB9100: 16-notch 39mm OD Cup: suitable for Shimano BB-R9100, Shimano XTR BB93, Dura-Ace BB9000, Token; DUB16T: 12-notch 46mm OD Cup: suitable for SRAM DUB, RaceFace Cinch, Rotor BSA30, Zipp Vuma, Hawk Racing BB3086 etc.
【Installation Requirements】 With hexagonal connector, use M10 allen key to tighten/loosen the bottom bracket / centerlock.
【What You Will Get】 1 pc multi-function bottom bracket removal tool. We provide a 24-hour after-sales guarantee and focus on customer experience, your satisfaction is our top priority. If you have any questions or dissatisfaction with our product, please don't hesitate to contact us and we will solve it for you as soon as possible.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JK LLC | 7.65 | ❌ | ❌ | ❌ |
Shimano Deore / Alivio SM- BB52 Hollowtech II Bottom Bracket 68/73
Spindle Interface Type: Shimano Hollowtech II
BB Shell Width (mm): 68 mm /73 mm
Made of high-quality aluminum alloy & nylon,durable and lightweight
BB/Frame Interface: English
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 365 Cycles | 9.67 | ❌ | ❌ | ❌ |
BB Shell Width (mm): 86
BB/Frame Interface: T47
Bottom Bracket Shell I.D.: 47
Defined Color: Black
Spindle Interface Type: FSA MegaExo
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MORTOP | 0.00 | ✅ | ✅ | ✅ |
【Threadtogether for stable and durable】Its bottom bracket BB86 producing a precise fit that helps provide a smooth and comfortable ride regardless of the rugged terrain.
【Specification】 BB86 for 41mm shell width 86/92mm,weight:113.6g compatible with SHIMANO DURA-ACE, TIAGRA, ULTEGRA, GRX, 105 HOLLOWTECH II
【Protecting high-material frame】 Inner lock design specialized for your high-price frame the 20 T tools help you lock inside without directly touching the frame surface.
【Easy installation and maintenance 】Fun 5° bearing with one direction easy for pulling in and out the cups while unloading the crank.
【Longevity for lifetime time】Eliminate the hassle and frustration of frequent maintenance and repairs with our durable bottom bracket that offers long-lasting performance and effective riding.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AB-US | 9.61 | ❌ | ❌ | ❌ |
FOR STANDARD BSA (THREADED) FRAME
FOR SHIMANO HOLLOWTECH II CRANKSET, RACEFACE
Ultra Quality ceramic bearings gives you minimal weight and friction
1-piece construction to eliminate gaps, friction, noise compare to using an separate adapter
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 365 Cycles | 9.67 | ❌ | ❌ | ❌ |
Fits 24mm crank spindles
High quality stainless steel sealed bearings for less friction and greater durability
Free running labyryinth seal protects bearings and has less drag
Convertible to /Truvativ GXP with the use of optional bottom bracket conversion kit (sold separately)
Spindle Interface Type: Shimano Hollowtech II
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HZ-MONSTAR | 9.70 | ✅ | ✅ | ✅ |
High Quality: Square Tapered Bottom Bracket is made of good quality material, not only strong and durable, long service life, but also sealed bearing components to provide better sealing and lubrication performance.
Compatible With: Bike Bottom Bracket Power Spline Bottom Bracket with Screws compatible with Shimano BB-UN26/BB-100/BB-101/BB-300.
Protect Bike Frame: Bicycle Square Cartridge Taper can protect the frame, more power output, it's better than ordinary structure bottom bracket.
Safe and Easy to Install: The square taper bottom bracket no abnormal noise, no gap, prevent assembly stuck, safe to use. Double bearing precision thread design for better connection with the bicycle arm. Helps you install quickly and easily without adjustment.
Warm Service: Package Includes: square taper bottom bracket * 1, screws * 2. If you have any questions about our products, you can feel free to contact us.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MORTOP | 0.00 | ✅ | ✅ | ✅ |
【Threaded for stable and durable】Its threaded bottom bracket T47 BB producing a precise fit that helps provide a smooth and comfortable ride regardless of the rugged terrain.
【Specification】threaded T47I for 47mm shell width 86/92mm,weight:113.2g compatible with SHIMANO DURA-ACE, TIAGRA, ULTEGRA, GRX, 105 HOLLOWTECH II
【Protecting high-material frame】 Inner lock design specialized for your high-price frame the 20 T tools help you lock inside without directly touching the frame surface.
【Easy installation and maintenance 】Fun 5° bearing with one direction easy for pulling in and out the cups while unloading the crank.
【Longevity for lifetime time】Eliminate the hassle and frustration of frequent maintenance and repairs with our durable bottom bracket that offers long-lasting performance and effective riding.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JK LLC | 7.65 | ❌ | ❌ | ❌ |
Shimano XT BB- MT800 Hollowtech II Mountain Bike Bottom Bracket 68/73mm
Spindle Interface Type: Shimano Hollowtech II
BB Shell Width: 68/73MM
Fits Shimano Hollowtech II Cranksets
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Esenyan | 4.27 | ❌ | ❌ | ❌ |
Integrated Structure: Integrated System can protection frame, more power output, it's better than ordinary structure bottom bracket.
Easy to Install: The steel shell can absorb roundness tolerance for installing ports of Bracket Bottom.
Notes: Please use the BB tool to install and replace the bottom bracket for safety.
Long Service Time: The bottom bracket is solid and durable with a long service time.
Suitable for: Suitable for 68mm frame shell.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Shimano | 19 |
| Wheels Manufacturing | 9 |
| Tripeak | 7 |
| Mortop | 3 |
| Bike Hand | 2 |
| Bucklos | 1 |
| D Dymoece | 1 |
| Donsp1986 | 1 |
| Epessa | 1 |
| Fsa | 1 |
We've carried out a comprehensive analysis of 7,895 reviews on bike bottom brackets hollowtech ii, 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 hollowtech ii priced around $49.77, with top brands including shimano, bike hand, tripeak, d dymoece, epessa, wheels manufacturing, cycearth, yosoo health gear and hz-monstar and fly_h
Our team of expert editors reviewed these high-quality items and handpicked the top 30 bike bottom brackets hollowtech ii for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the sports apparel & equipment category. These include movatik, bicycle addiction, sheepshead cycle, cyclingdeal_usa, orange cycle parts, cycle sport usa, tripeak taiwan, dymoece and epessa and 365 cycles .
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 hollowtech ii to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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