Top 10 Best bike crank in 2026

Last Updated - 6/13/2026

🏆Best Choice

Alps2Ocean

Alps2Ocean Bike Crank Arms,89MM/102MM/114MM/127MM/140MM/152MM/160MM/165MM/170MM/175MM Available in Diamond Hole Bike Crank Arm for Ebike

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【Material】The Bicycle crank arms are made of Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.
•【Size】This Crank Arm Length is available in 10 sizes(89MM/102MM/114MM/127MM/140MM/152MM/160MM/165MM/170MM/175MM/）Shorter cranks for extreme sports enthusiasts,Before purchasing this product, please make sure that the size of this product is consistent with the size you need.
•【Spindle Interface Type】Diamond Hole. Please check if the orientation of your crank is Diamond Hole. Keep both left and right things having the same hole.Diamond Hole Diameter is 12cm.
•【Installation Tips】This crank arm is divided into left and right side, please pay attention to the left and right side when installing, the crank arm is written L and R, L is installed on the left side, R is installed on the right side. L is installed on the left side, R is installed on the right side. If you install it wrong, it will not work.Special attention:one pair Crank Arm can only be used on electric bicycles,1pc crank arm can be used on MTB,ROAD BIKE,FOLIDING BIKE,Cargo,City Bike,Ebike.
•【Package List】2xCrank Arms(left crank arm +right crank arm),Crank Bolts,Crank arm only for Ebike,Mid Mounted Motor,Torque.

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$26.59

$27.99

-5%

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BUCKLOS

BUCKLOS Ebike Mountain Bike Square/Diamond/Hollow Crank Arm -152MM/170MM/175MM MTB Aluminum Bicycle CrankSet for Electric Bike/Road Bike/Commuter Bike/Exercise Bike/Fat Bike

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•High Quality Materials:Bucklos bike crank arm set is forged from premium aluminum alloy, which is more sturdy and reliable, extending the service life of the product
•Size&Interface Type:This crank has two interface types, square hole and diamond hole, each with two sizes of 152MM/170MM to choose from. You can choose a single left or a pair of crank arms according to your needs
•Easy To Install:The bicycle crank arm features standard precision hole cutting to ensure a perfect fit for your bike. Easy to install, no need for too many installation tools
•Wide Application:Bucklos bicycle crankarm is a nice replacement for bike repair suitable for the ebike,mountain bike,folding bike,fixed gear bike,exercise bike,etc
•Notes:Before purchasing, please confirm whether the style of the crank arm interface is square or diamond hole, as well as the size of the crank. A pair of crank arms can only be used for electric bicycles

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$23.74

$24.99

-5%

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BUCKLOS

BUCKLOS Ebike Mountain Bike Square/Diamond/Hollow Crank Arm -152MM/170MM/175MM MTB Aluminum Bicycle CrankSet for Electric Bike/Road Bike/Commuter Bike/Exercise Bike/Fat Bike

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•High Quality Materials:Bucklos bike crank arm set is forged from premium aluminum alloy, which is more sturdy and reliable, extending the service life of the product
•Size&Interface Type:This crank has two interface types, square hole and diamond hole, each with two sizes of 152MM/170MM to choose from. You can choose a single left or a pair of crank arms according to your needs
•Easy To Install:The bicycle crank arm features standard precision hole cutting to ensure a perfect fit for your bike. Easy to install, no need for too many installation tools
•Wide Application:Bucklos bicycle crankarm is a nice replacement for bike repair suitable for the ebike,mountain bike,folding bike,fixed gear bike,exercise bike,etc
•Notes:Before purchasing, please confirm whether the style of the crank arm interface is square or diamond hole, as well as the size of the crank. A pair of crank arms can only be used for electric bicycles

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$23.74

$24.99

-5%

Check Price

BUCKLOS

BUCKLOS Ebike Mountain Bike Square/Diamond/Hollow Crank Arm -152MM/170MM/175MM MTB Aluminum Bicycle CrankSet for Electric Bike/Road Bike/Commuter Bike/Exercise Bike/Fat Bike

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•High Quality Materials:Bucklos bike crank arm set is forged from premium aluminum alloy, which is more sturdy and reliable, extending the service life of the product
•Size&Interface Type:This crank has two interface types, square hole and diamond hole, each with two sizes of 152MM/170MM to choose from. You can choose a single left or a pair of crank arms according to your needs
•Easy To Install:The bicycle crank arm features standard precision hole cutting to ensure a perfect fit for your bike. Easy to install, no need for too many installation tools
•Wide Application:Bucklos bicycle crankarm is a nice replacement for bike repair suitable for the ebike,mountain bike,folding bike,fixed gear bike,exercise bike,etc
•Notes:Before purchasing, please confirm whether the style of the crank arm interface is square or diamond hole, as well as the size of the crank. A pair of crank arms can only be used for electric bicycles

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$23.74

$24.99

-5%

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PROWHEEL

Prowheel One Pair Bike Crank Arm Available in Square Hole,152MM/160MM/165MM/170MM/175MM Alloy 6061Black Crank Arm for e-Bike Electric Bike e Bicycle

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•【Material】The Bicycle crank arms are made of high quality Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.
•【Size】This Crank Arm Length is available in 6 sizes(140MM/152MM/160MM/165MM/170MM/175MM）,Before purchasing this product, please make sure that the size of this product is consistent with the size you need,This Crank Arm can only be used on electric bicycles.
•【Spindle Interface Type】Square taper. Please check if the orientation of your crank is Square. Keep both left and right things having the same hole.
•【Installation Tips】This crank arm is divided into left and right side, please pay attention to the left and right side when installing, the crank arm is written L and R, L is installed on the left side, R is installed on the right side. L is installed on the left side, R is installed on the right side. If you install it wrong, it will not work.
•【 Crank Arm Note】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. If you encounter any problems in the process of use, please let us know, we will help you solve the problem, give you a satisfactory solution!

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$26.59

$27.99

-5%

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Alps2Ocean

Alps2Ocean Universal Bike Crank Arm,Square Hole Crankset,One Pair 140MM/152MM/160MM/165MM/170MM/175MM BCD 130MM Bike Crank Arms for City Bike,Road Bike,Folding Bike,Mountain Bike,Ebike

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【Premium Quality】This bike crank arm is made of premium quality aluminium alloy material, which is sturdy and durable in use. It is not easily damaged and deformed, has reliable quality and ensures high strength for long lasting usage.
•【Feature】Crank Color:black,Crank Arm Length:140MM/152MM/160MM/165MM/170MM/175MM,BCD130MM,fit for: pedal diameter = 9/16.
•【Spindle Interface Type】Square hole. Please check if the orientation of your crank is Square. Keep both left and right things having the same hole.
•【Easy to install】:The crank arm is lightweight, easy to install and use.
•【Package List】:2xCrank Arms,Crank screws.

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$27.06

$29.99

-10%

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Alps2Ocean

Alps2Ocean Universal Bike Crank Arm,Square Hole Crankset,One Pair 140MM/152MM/160MM/165MM/170MM/175MM BCD 130MM Bike Crank Arms for City Bike,Road Bike,Folding Bike,Mountain Bike,Ebike

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•【Premium Quality】This bike crank arm is made of premium quality aluminium alloy material, which is sturdy and durable in use. It is not easily damaged and deformed, has reliable quality and ensures high strength for long lasting usage.
•【Feature】Crank Color:black,Crank Arm Length:140MM/152MM/160MM/165MM/170MM/175MM,BCD130MM,fit for: pedal diameter = 9/16.
•【Spindle Interface Type】Square hole. Please check if the orientation of your crank is Square. Keep both left and right things having the same hole.
•【Easy to install】:The crank arm is lightweight, easy to install and use.
•【Package List】:2xCrank Arms,Crank screws.

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$34.19

$35.99

-5%

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GANOPPER

GANOPPER 30T Mountain Bike Crankset 1X MTB Crank Arm Set 152mm with Narrow Wide Chainring Bolts

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•[Material]: Alloy Aluminum 6061 MTB crank , Light weight, Stylish, High compatibility,Durable,7075 Alu 30T Chainring Narrow Wide
•[Crank Arm ]: 152mm Crankset,Removable 104mm Chainring Crank Design,Easy to modify bigger teeth Singlespeed Bike Crankset.
•[Chainring]Size: 30T,Shape:Crown. Single Speed Ring Weight: 28g(0.06 lbs) ,Fit for 104 BCD 8S/9S/10S/11S Single Speed crankset
•[Feature]: Square tapere Crankset,Pedal size : 9/16" , BB not included, Fit For Mountain Bike, Road Bike Crank Set etc.,
•[Package Includes]: 1 x square crank;1 x 104BCD Chainring;4 x Chainring bolts(set)

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$43.99

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GANOPPER

GANOPPER BMX Crankset Bicycle Crank Arm Set 152mm MTB Cranks 32T Mountain Bike Crankset

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Material: Alu 6061 Square Bike Crank ,Durable,Light Weight.7075 Alloy Aluminum Single Speed 32 Tooth Chainring
•Teeth: 32T,Shape:Crown. Chain ring Weight: 41g(0.09 lbs) ,Fit for 9 Speed,10 Speed,11 Speed Mountain Bike crank set
•BCD: 104mm(Outer Circle) .Color: Matte Black .
•Crank Arm Length: 152mm, Removable chainring ,Easy to modify big teeth single speed crankset

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$42.99

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GANOPPER

GANOPPER 152mm Mountain Bike Cranksets Square Taper MTB Crankset 8s Triple Crank Set 18 21 24 Speed Bicycle Chainset 152 with Chainwheel Bash Guard

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Material: Alloy 6061 crank ,high intensity Steel chainring,152mm Crank Arms Length (152*42-34-24T)
•BCD: 104BCD(34T,42T),64BCD(24T) ,Riveted Triple MTB Crankset,Chain line:48.5mm
•Compatible With: Square Taper Bottom Bracket(120~124mm Spindle),Compatible Speed: 3*6/7/8S speed drivetrains,pedal size : 9/16" , BB not included
•Comes with :(1)Plastic Bike Cransket Bash Guard ,(2) Plastic Crank Screw dust Proof Cover
•24 Hours service,If you need any support ,please feel free to contact us ,we will try our best to solve the case

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$35.99

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