Best Bmx Components Parts in 2026

175mm crank arm length

Comes with 3 chainrings - 42/32/22

Comes with a chainguard

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.

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.

【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.

【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.

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.

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.

SE Bikes Crankarm Set Se Bikes Bmx Rad Cromo 175 3pc 19mmx8t Spline Cp W/bb Axle

Hollow forged crank maximizes power transfer while limiting weight

Shimano's Hollowtech II technology provides the best balance of stiffness, strength, weight and rotating performance.

Exchangeable single/double chainring

Package Dimensions: 14 L x 2 H x 9 W (inches)

Package Weight: 1.52 pounds

Country of Origin : United States

Square profile for easy grinding and 165mm short crank options

BMX Crank for Replacement

19mm Spindle 3-Piece Crank with MID BB

104mm BCD single speed rings designed for 10 speed drivetrains

Includes BSA 83mm bottom bracket

Shimano Reference Number: FC-M645

Product Type: Bicycle

Package Dimensions: 13.462 L X 13.208 W X 0.254 H (Centimeters)

Package Weight: 0.25 Pounds

Arm Material: cold-forged alloy

Arm Length: 165, 170, 175mm

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

Details:3 Piece CrankSingle Pinch Bolt DesignTubular Chromoly Arms19mm Chromoly Spindle with 8 Splines

Color:: Black

Crank Intended Use:: Track

Crank Length (mm):: 165mm

Arm: 4130 chromoly arms, 175mm length

Spindle: 19mm hollow chromoly

Spindle splines: 48

HIGH PERFORMANCE------ Teeth: 52T. The crank arm length is 170mm, fit for single speeds mountain bike.

It is a great bike replacement for your old or worn part. ------ Size: 30. 00X22. 50X2. 00 cm/ 11. 79X8. 84X0. 79 inch

Make of good quality aluminum alloy material, high strength and durability. ------ Chain Size: Standard 1/ 2 X 3/ 32

175mm 19mm BLK 1

EXQUISITE APPEARANCE: Bicycle crankset chain ring is advanced anodized painting tech brings exquisite shape comes out the look of fashion style for your bikes. Single chainring boltsare value-for-money,don't miss them.

SUPER LIGHT: The single speed chainring bolts made of 7075 aluminum alloy, super light and durable, more rust‑proof, fashionable and cool.Components Drivetrain Cranksets is first parts choice for bicycle enthusiasts.

SUITABLE FOR: Bicycle crankset chain ring bolts are suitable for mountain bikes, road bike, folding bike, fixed gear bike, downhill bike, track bike, MTB, BMX, DH, etc.Sports Outdoors Cycling Parts can provide a safer guarantee for your life.

ALLOY ADVANTAGE: high-end crankset for alloy lovers with an impressive history of wins on the brutal cobbles of Paris-Roubaix, it needs no further introduction - yet the details shouldn’t be ignored. The cold-forged aluminum arms are heavily scalloped for the maximum strength to weight ratio and the versatile BB368EVO spindle is forged from an even stronger material

BB386EVO TECHNOLOGY: latest evolution in bottom brackets spans press-fit and threaded standards, with the proper BB and/or adapter, this crank will work with almost any BB shell standard. The symmetric BB shell has the same overall width of a BSA BB including the cups this allows the ultimate optimization for stiffness of the frame-shell-crankset assembly. The longer 30mm spindle and a wide variety of optional spacers and bottom brackets provide adaptability for nearly all bicycle frames

ABS TECHNOLOGY: Boosting overall stiffness our ABS system – Asymmetric Bolt Spacing with the chainring bolts strategically spaced to provide optimum strength from a 110mm bolt circle diameter (BCD)

Arm Material: Hollowtech II aluminum

Arm Length: 165mm, 170mm, 175mm

Rings: single

Easy Installation: High carbon steel crankset, good quality, simple to install.

High Performance: This bike tooth plate crank set is for 24-34-42T with chains cover, high performance.

Good Manufacture: Fine workmanship, provide good rinding experience.

High quality. One-piece die-casting, this bicycle crank arm is made of forged alloy 6061, strong and durable, high strength, hardness, not easy to deformation.

Brand. Prowheel has been deeply engaged in bicycle accessories for 30 years, with advanced technology and sufficient product experience, suitable for all types of bicycle.

Size. We have sufficient stock, please make sure the size of this product is the same as the size you need before you buy this product. If there is not what you need, you can leave a message and ask, we will provide the product information.

Arm Material: aluminum

Arm Length: 165mm, 170mm, 175mm, 180mm

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

CRANKS AEFFECT-R EBIKE ARMS ONLY 165mm Black