Best Bmx Bike Cranksets in 2026

8mm Hex Head Crank Fixing Bolt and Cap Pair

Hex-type steel crank fixing bolt set with integrated plastic dust cap

bolt size: 8x1.0mm hex cap

175mm crank arm length

Comes with 3 chainrings - 42/32/22

Comes with a chainguard

Chromoly Crank Arms, Chromoly Spindle with 8 Splines

American Bottom Bracket (Sealed Bearings)

Sold As Complete Set

Compatible with 1/2" pedals

Forged steel

24 TPI

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;

【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 Bicycle crank ,Design of Stiffener,Durable,Light Weight,only 499g/set.Full CNC Machined 7075 Alloy Aluminum 38 Tooth Chainring

Teeth: 38T,Shape:Crown. Chainring Weight: 71.5g(0.15 lbs) ,Fit for 9,10,11 Speed Road Bike crankset etc.,

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.

Material: Alloy 6061 crank, high-strength steel chainring, detachable sprocket, easy to modify single-speed chainring. Scope of application: mountain bikes, hybrid vehicles, old school, cruisers, off-road vehicles, folding bikes, road bikes, track and field bikes, unicycles, city bikes.

Crank length: 170mm, BCD: 104mm(44T,32T), 64mm(22T)

Compatible speed: 7S/8S/9S, square cone BB (113mm~116mm spindle)

Three Piece Cr-Mo Tubular Crank Arm With One-Pinch Bolt

31.8mm Square Shape Arm / 8T-19mm Spindle Interface

Flush Machined Chainwheel Interface

【High Intensity Aluminium Alloy Material】Our bike crankset made of aluminium alloy, light weight, stylish appearance, strong compatibility.

【Precision Work】The multi-stripe fixing method is adopted to ensure the ultimate chain retention, increase the working life, and reduce friction and noise.

【Dimension】BCD: 104mm/4.09in, Crank Arm length: 170mm/6.69in, Outer diameter of shaft: 24mm/0.94in, Bottom Bracket Width: 68-73mm/2.67-2.87in.

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.

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.

Outside diameter (approximate) : 45 mm.

Inside diameter (approximate) : 32 mm.

Number of balls : 9.

Tubular chromoly heattreated arms, chromoly spindle

Includes bb set; slim crankarm design, left & right side sprocket bolt boss, adaptor for USA bb shell

Bore:: 19

【SIZE】 BCD: 130mm, Crank Arm length: 170mm, Chainring（3/32" 52T)，compatible with 9/16" pedals, chain size 1/2"*1/8", chain line 45mm, B.B.Axle recommended 118mm. External width between chain guard is 15.4mm (0.6in), total diameter of chain guard is 226mm (8.9in).

【MATERIAL】This crank set is made of forged aluminum alloy 6061-T6 and 3mm alloy chainring, which is of high strength and durable, weight is approx 725g/1.60lb.

【NEW DESIGN】Our crankset has high strength, can be used for a long time. Light weight design, adding no heaviness to you bike, make riding more comfortable and relaxing. Double alloy chainring cover, avoid chain rubbing riders pants, prefect for daily commuting.

Material: Alloy 6061 crank, high intensity steel chainring.

Bottom Bracket Width: 68-73mm. BCD: 104mm. Crank Arm Length: 170mm, Crank Screw Aliber: 15mm.

Hollow one sprocket wheel shaft for mountain bikes, road bikes.

【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.

Bike Crank Remover Puller With a Top Cap, Fits Square Tapered Crank And Spline Crank, and for Indoor Stationary Exercise Bike Use, Let Crank Remover Easy And Very Good Grip.

Bike Crank Extractor Puller Fit For Any 20 Teeth Splined Type Bottom Bracket And Standard Square Tapered Crank Sets, Made From Hard Steel Metal, To Ensure Your Bicycle BB Teeth Safe Without Damaged.

It Is Suitable For Refitting And Replacing The Crank With a Long Service Life, So That Your Mountain Bike and Bicycle and Indoor Stationary Exercise Bike,Can Get A Better Crank Device, and Continue To Protect Your Safety!

Use:Cruisers,Fits on road, mountain, fixed-gear, BMX, track, and single-speed bikes

Crank Length:170mm

Material:Aluminium alloy-6061

Available Colors: Chrome, Black, Gold

Compatible with 1/2" pedals

Material: Forged Steel

Use: Cruiser bike, Road bike, Mountain bike,Fixed Gear, BMX, Truck , Single speed bike

170 mm crank arm length, no overlap of either crank arm or chainring bolt。

Material: Aluminum alloy 7075-T7

OPC Crankarm, Forged Steel, 170mm, for Beach Crusier, BMX

Compatible with 1/2" Pedals

Chrome Plated, ED Black available

Package: 5pcs Black Bike Disc Chainwheel Bolts, Effective Height: 4.9mm, Work Perfectly on Single Chainring.

Feature: Light weight, high hardness, large twisting force, bright color.

High Quality: Made of anodizing 1018 steel with fine workmanship, anti-rust, corrosion resistance, anti-impact, sturdy and durable to use.

【High Grade Crankset】The surface of mtb crankset is frosted and anodized, and at the same time, the density of the aluminum alloy in the threaded part of the crank arm is increased, which effectively protects the crank and prolongs the use time.

【Crankset Size】High-quality aluminum alloy square taper crankset, crank arm length is 170mm, suitable for 104BCD single speed chainring and 9/16" pedals.

【BCD104 Chainring】The alternate design of narrow and wide teeth can effectively prevent the chain from falling off. 32T/34T/36T/38T round black chainring are available in a variety of options to meet various needs.