Best Aluminum Bike Cranksets in 2026

Arm Material: aluminum

Arm Length: 165m, 170mm, 172.5mm, 175mm

Chainring Sizes: 36 / 46t, 34 / 50t, 36 / 52t, 39 / 53t

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.

Made of 7075 aluminum alloy&TITANIUM,super lightweight and durable

Double Chainring Bolts:Nut Shaft Diameter:10mm.Nut Shaft Length:6.5mm.Bolt Head Diameter:8mm.Bolt Head Length:8mm

Single Chainring Bolts:Nut Shaft Diameter:10mm.Nut Shaft Length:4.5mm.Bolt Head Diameter:8mm.Bolt Head Length:6mm

Made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility.

Bottom Bracket Width: 68-73mm can be fine

BCD:104mm.Crank Arm length 170mm, Crank related holes distance 74mm.

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 .

BCD: 104mm/4.09in, Crank Arm length: 170mm/6.69in, Crank related holes distance: 74mm/2.91in, Bottom Bracket Width: 68-73mm/2.67-2.87in, Crank Screw Aliber: 15mm/5.9in.

Made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility.

Supporting IXF dental plate compatibility better, smoother, easy Installation.

【Ultra-light Material】：Made of high strength Aluminum Alloy, Non-slip &Durable,Weight is approx 675g/1.48Ib.

【Professional Design】Ergonomic structure,Super lightweight and incredibly strong.Best choice for riders who want more control on their bicycles.

【Size】BCD: 104mm/4.09in. Crank Arm length: 170mm/6.69in, Crank related holes distance: 74mm/2.91in.Bottom Bracket Width: 68-73mm/2.67-2.87in.

🚴‍♂️- Best Deal,This is the most compatible crank arm set we offer for our best selling 104 bcd single chainring.In addition,it comes with 1pc 104bcd chainring in specific oval or round size; you are free to choose the 68/73BB version or Square Taper;

🌟 - Identical Offer, The Crank arm set made with Forged AL-6061-T6 aluminum alloy,Strong high strength,crank Arm length 170mm,Bottom Bracket Width: 68-73mm,5pc chainring bolts,each product has been tested the compatibility with our chainring;

🎁 - Gift Options, it's in Our's brand package, a great upgrade or replacement for your old bike bottle cage holder. You may find it a gift option to your husband, wife, boyfriend, girlfriend, or gift for your kids' bike for back to school gift, Christmas gift, Valentine's day gift, Mother's day or Father's day gift, thanksGiving gift or New year gifts;

Material: Alu 6061 Bike crank ,Design of Stiffener,Durable,only 499g/set.7075 Alloy Aluminum 34T Chainring Narrow Wide

Teeth: 34T,Shape:Crown. Single Speed Ring Weight: 50.5g(0.11 lbs) ,Fit for 9S,10S,11S Single Speed crankset

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

【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.

Teeth: 48T, Crank Arm: 170mm, BCD: 130mm (Not include Bottom Bracket)

Pedal Size: 9/16". Chain Size: suitable for 1/2" X 1/8" single speed chains, doesn't support any variable speed chains

170mm crank arm length without any overlap of crank arm and chainring bolt

PLEASE NOTE: Before purchasing this product, please make sure that the size of this product is consistent with the size you need. Product Size:21 x 2 x 1cm/8.3 x 0.8 x 0.4inch(LxWxH).

Constructed with premium aluminum alloy, the crank is durable and strong.

The center distance between two holes is 170mm.

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.

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, 32/34/36/38T.

【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.

Made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility.

Bottom Bracket Width: 68-73mm can be fine.

BCD: 104mm. Crank Arm length: 175mm, Crank related holes distance: 74mm.

Material: Alu 6061 MTB Bike Crank ,Design of Stiffener,Durable,Light Weight.7075 Alloy Aluminum Single Speed 30 Tooth Narrow wide Chainring,rainbow plating chainring bolts

Size: 30T,Shape:Round. Chain ring Weight: 28g(0.06 lbs) ,Fit for 9 Speed,10 Speed,11 Speed Mountain Bike crank set,Easy to refit Singlespeed MTB, Road Bike BMX Crankset etc.,

BCD: 104 mm(Outer Circle) .Crank Arm Length: 170mm .Color: Matte Black .

Suitable for 5/6/7/8 speed mountain bike, riveted disc, square hole material 6061 aluminum alloy forged T6 treatment.

Crank: Forged, ED (Material: Iron Disc Aluminum Crank), Support: Plastic Guard.

Burly and lightweight forged crankset for ultimate strength and reliability.

【Material】Mountain bike cranket is made of aluminum alloy and Chainrings is made of iron, Light weight, high axial strength and compatibility.

【Crankset】Bike Crank Arm Length: 170mm, Central Axis Length:68*118MM--120MM (square hole),Fits 21/24/27 shifting speed Chainring mountain bikes.

【Package Includes】Road bike crankset Package: 1 x 170mm square crank; 1xChainring(set); Chainring bolts

【Material】Crank and Chainring Made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility

【Crank】:104/64mm.crank fit Single/Double/Triple chainring,Crank Arm length 170mm, Crank related holes distance 74m,fit 8-12S chains Single/Double/Triple Speed Chainring

【Scope of application】Squre tapered BB ,Pedal size : 9/16" , Fit For Mountain Bike, Road Bike Crank Set etc.

High-quality Material-The crank bolt is made of high-quality aluminum alloy, which is rust-proof, strong, firm and durable. Good quality and good handling 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 590596 XT XTR SLX crank pair.

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

LONG SERVICE LIFE-Made of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time use.

EXQUISITE WORKMANSHIP-Fine polish and great paint, colorfast and stylish.

PERFECT CUTTING-Standard precision cutting of hole, which ensures perfect fit to bike, easy to install. ÉÌƷÌØÐÔ

【MATERIAL】This crank arm set is made of forged aluminum alloy 6061-T6 and steel chainring, which is of high strength and durable, weight is approx 625g/1.38lb.

【SIZE】 Crank Arm length: 170mm, chainring（3/32" 52T), Compatible with 9/16 inch pedals, chain size 1/2"*1/8", chain line 45mm, B.B.Axle recommended 117.5mm. External width between chain guard is 20mm (0.79in), total diameter of chain guard is 226mm (8.9in).

【COMPATIBILITY】Easy Installation，A good replacement for bike repair, compatible with city folding bike. Check Frame chain stay clearance before purchase.

Arm Material: 7000-series aluminum

Arm Length: 170mm, 175mm

Chainring Sizes: 32t

Material: [body] 7075-T6 aluminum, [washer] stainless steel

Compatibility: 12mm, 15mm, 20mm thru axles and QR

Claimed Weight: 10.5g

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

【Premium Quality & Durability】These crank sets are made from high strength material, ensuring they are long-lasting, lightweight and handle the abusive ways of the trail.Suit for mtb, hybrids / touring bikes.

【Hollow-forged Crank Arm】Cranks are made from sturdy forged 6061 aluminum alloy for superior rigidity, high strength and super low weight. Weighs in at only 541g, no any excess weight holding you back.

【Hard-wearing Chainring】Featuring irregular teeth and chain pick-up pins for smooth and fast shifts. High strength steel and CNC aluminium to ensure longevity.

〖Crank〗:Aviation Aluminum Alloy,3D Forged Process, Strong,Durable,Lightweight and Good Look;Integrated Spline Hollow Axle 24mm Diameter 120mm Length;104/64mm BCD Fit Single/Double/Triple Chainring

〖Bottom Bracket〗:English Threaded BB 1.37x24t 68-73mm;3 Pieces 2mm Spacer Included; External Cups Sealed Bearings,Smooth Movement,Dustproof and Waterproof, Long Life

〖Chain Ring〗:104BCD Narrow Wide Round Chain Ring