Best Crank Arms Bike Cranksets in 2026

STRONG AND DURABLE PROTECTION: Our crank defender protection is designed to last! Our crank cover has extra protection to protect your mountain bike by not absorbing water, mud or dirt!

HIGH QUALITY MATERIALS: This crank boot brings an elegant solution to protect your cranks and add some style. This top quality kit includes 2 crank defenders to cover the pertinent area of your bike!

CUSTOMIZE YOUR BIKE: Don't ruin the look of your bike, improve it! Whether you ride a steel, aluminum or carbon frame protect your cool rig in All Mountain Style. We have different colors available to improve the look of your bicycle!

【Chainring】Bucklos 104 BCD Single speed chainring, narrow wide tooth design, which can keep your chain from dropping. Size includes: 30/32/34/36/38T/40T/42T. Shape: Round/Oval.

【Crank】104 BCD ultralight mountain bike crank, solid and durable, only can be used with single speed chainring. And, this crank will fit most standard square taper bottom bracket. Crank weight: 550g. Crank related holes distance: 74mm. Crank Arm Length: 170mm.

【Note】About these product, we have something important to tell you. The crank and chainring are only used for single speed, can not be used with other speed or chainring. If you are in issues before or after purchasing, please contact us in time.

【Crank】:104 BCD ultralight mountain bike crank, only can be used on Single speed chainring. Crank Arm Length: 170mm, Crank weight: 550g, Crank related holes distance: 74mm.

【Chainring】Snail single speed narrow wide teeth chainring, 104BCD, 32/34/36/38/40/42T, Round/Oval, Black/Red, Chainring thickness 4mm (Narrow teeth: 1.9mm, Wide teeth: 3.7mm), Weight: about 45g.

【Note】These crank and chainring are only suitable for single speed. Can not be used on other speed. If you have any problem before or after purchase, feel free to contact us.

Material: Alu 6061 MTB crank ,Design of Stiffener,Durable,Light Weight,only 499g/set.7075 Alloy Aluminum 36 Tooth 104 Chainring

Teeth: 36T,Shape:Round. Chainring Weight: 54.5g(0.12 lbs) ,Fit for 9,10,11 Speed Mountain crankset

BCD: 104mm(Outer Circle) , 64mm(Inner Circle).Color: Black .

Good material: CNC steel construction, high strength. With plastic seal, no separate crank cap needed.

Package included: A pack of 10 will put in big polybag. 0.31''*0.71''.

Application: Suitable for square hole crankset & bottom bracket.

Excellent Material：Made of strictly selected Anti-pulling silica gel, provide high elasticity, comfortable feeling and better protection for your bicycle cranks. Injection-molded durable silicon material provide strong protection to your carbon crank arms from rock strikes or other damages.

Exceeding Manufacturing Workmanship: Wear and tear resistant material bring strong impact resistance, and light weight make the appearance stylish and outstanding.

High compatibility and Colorful Choice: These crank boot protector provide 360° Protection for your crank, effectively prevent cranks from scratches, mud and dents from pedal strikes.

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.

【High-Quality Material】The Crank Bolt is constructed using high-quality aluminum alloy material that is resistant to rust and durable, providing a safer guarantee for your life and ensuring a longer lifespan for the product.

【Compatible Fitment】Crank Bolt for Shimano,The Crank Screw is specifically designed to fit the 590 596 XT XTR SLX crankset, making it a great replacement part for your broken or old ones.

【Multiple Color Options】Crank Screw,The Chainring Bolts are available in multiple colors, giving you the option to choose your favorite color based on your preferences and needs, and also updating your bike's appearance.

Replacement Left Hand Crank arms

Compatible with 9/16 pedals

High-quality Material-The crank bolt is made of high-quality aluminum alloy, which is rust-proof, strong, firm and durable. Good processing with good texture can ensure a long service life.

Practical Function-This product is used to fix the crank and crank of the sprocket. Suitable for mountain bikes and road bikes with 590 596 XT XTR SLX crank pair.

Reasonable Price-One package, good quality, reasonable price, you will like it.

★The crank protector is made of high quality soft silicone, durable and tear resistance.

★Protect your carbon crank bike from scratches and dents from pedal strikes.

★Compatible with 95% bike crankset in the market.

Cold Forged Arms

Durable Finish

Comes with crank bolts

Offers the same chain retention performance as seen in all higher-level Eagle drivetrain cranks

32t direct mount X-SYNC 2 steel chainring included

Aluminum crank arms

Material:Aluminium 6061-T6; BCD:110mm; Pedal crankarms:170mm;

Dimension: approx. 180*125mm / 7*4.9in (crankset), 205*33mm / 8*1.3in (crank); Burly and lightweight forged crankset for ultimate strength and reliability; These are intended to be used on single speed Mountain Road Bike Fixed Gear Bicycle

Compatible with 9/16 inch pedals; 1/2"*1/8" chain work well on this crankset

Compatible Speed：Suitable for 6/7/8 speed mountain bike.

Crank Length: 170mm, forged alloy crank arms with sturdy carbon steel chainring.

Pedal Size: 9/16 inches, please measure the size to confirm it fit your bike before order.

Novel design: The crank boot protector has a stylish appearance, soft, non-slip, shockproof, and oil resistant.

Rugged and durable: The crank arm protector made of highly wear-resistant silicone, durable.

Simple installation: remove your feet, and then put on the pedal crank protection cover to protect your crank from scratches and pedal hits.

HIGH QUALITY MATERIAL: The crank arms are made of high quality materials, this product is sturdy and durable.High strength, high hardness, not easy to deform.

PERFECT DESIGN:The crank arms adopt sample design, fine workmanship, used for bike mid drive motor installation.Total length and width is approximately 21 * 3.8cm / 6.3 * 5.9inch.Weight is approximately 450g.

Note:The product is a special crank for Tongsheng mid-mounted motor.

【Durable Material】: Constructed with premium aluminum alloy, the bike crank arm is durable and strong, has fine polishing, smooth edges, ensures high strength for long lasting usage

【170mm Bicycle Left Crank Arm】: The center distance between two holes is 170mm, spindle interface type, horizontal square taper, without any overlap of crank arm and chain ring bolt

【Ideal Bike Crankset Accessory】: Left hand pedal crank arm is suitable for road bike, mountain bike, folding bike, fixed gear bicycle, etc; A nice replacement for bike repair, compatible with many bike models

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 Bike Crank Arm Length is available in 5 sizes（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.

Spindle Interface Type: Square taper. Please check if the orientation of your right crank is Square. Keep both left and right things having the same hole.

HIGH QUALITY MATERIAL: The crank arm screws is made of aluminum alloy material which is anti-rust, resistant, durable.

LIGHTWEIGHT & COLORFUL: Colorful style, suitable for personality modificine. Lightweight and high quality.

EASY TO INSTALL: you can use the British 3/8 allen wrench(not included) to install this crank arm screws.

104BCD and 4 Arms: It fit for most MTB frame. 104mm BCD is most popular crankset and price is relatively low. It with spindle so offers higher rigidness when riding. Crank length have 170mm and 175mm for your choice.

Multi Speed Support: the crankset can use as 1x, or 2x and 3x speed. Most conditions people prefer use it as 1x. It comes with 1 unit 104bcd narrow wide chainring in package, works for 7-12s chain. Crankset hole for pedal is 9/16 inch(14mm).

Thread BSA BB included, Strong Aluminum side cap inside : 99% of MTB frame works with this crankset and thread BSA bottom bracket included. Crankset spindle diameter is 24mm.

☆【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.

☆【Exquisite Workmanship】: The 170mm crank arm adopts standard precision machining, which ensures chain retention, increases service life and reduces friction and noise.

☆【Excellent Performance】: The 170mm bike crank arm is lightweight, which adds no heaviness to your bike. 170mm crank arm length without any overlap of crank arm and chain ring bolt.

Compatible with 6/7/8 speed mountain bikes.

Crank length: 170mm. Number of teeth: 24/34/42T.

PC high-strength chain guard prevents pinching of trouser legs.

ANTI DEFORMATION: The bike cranket is made of premium aluminium alloy, which is of high strength and not easy to deform, durable for long-term use

LIGHTWEIGHT: Hollow design, which is lightweight, adding no heaviness to you bike, make riding more comfortable and relaxing

EFFICIENT PERFORMANCE: Standard precision machining, which ensures chain retention, increases it;s service life, and reduces friction and noise, you won't be annoyed by unpleasant sound, giving you a wonderful using experience

Suitable for spline chain and square hole chain. Extended ejector, used to remove chain links and cranks. Easy to install and easy to use. Universal bicycle crank puller.

The crank puller is made of high-quality carbon steel material + thousand-ton forging, and it is hardened by the quenching process to make the puller harder, no damage to the crank thread, and long service life

Thousand-ton forging and quenching and hardening treatment are used; CNC tapping is more precise and does not damage the teeth; the thickened top cap does not damage the axis; the surface is electroplated and frosted, which is extremely beautiful.

【MATERIAL】This Crankset Bolts is made of CNC steel construction, high strength and durable, weight is approx 14g/pcs（0.03lb/pcs).

【SIZE】Please make sure to use metric 8mm allen head for installation. Crank arm bolts 8mm(0.31") x15mm(0.59").

【COMPATIBILITY】Our 8mm Hex fixing screws is easy installation, a good replacement for crankset repair, suitable for any square hole crankset & bottom bracket.

True value and performance are found in the FSA Tempo Adventure crankset

The cranks are built to serve the recreational rider well and enhance riding enjoyment.Crank arm and spider feature monocoque construction

Die cast aluminum crank arms are lightweight and durable

Arm Material: cold-forged alloy

Arm Length: 165, 170, 175mm

Chainring Sizes: 28, 30, 32, 34, 36t

X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear

Crisp and accurate front shifts

Unique chainring design results in a lighter weight, stiffer, more durable crankset

True value and performance are found in the FSA Tempo Adventure crankset

The cranks are built to serve the recreational rider well and enhance riding enjoyment.Crank arm and spider feature monocoque construction

Die cast aluminum crank arms are lightweight and durable