Best Bmx Bike Chainrings in 2026

104 BCD chainring: 32T 34T 36T 38T chainring suitable for XC off-road (without extension plates) or AM FR DH bicycles with steep slopes, very easy to install

Lightweight construction: 104 BCD chainring is made of a T6 alloy structure, lightweight but sturdy, with positive and negative teeth designed to prevent the chain from dropping, and can lose about 1 kg in weight

Narrow wide tooth design: ensures chain retention, effectively protects the frame from scratches, extends wear life, and reduces friction and noise; The surface is easy to clean

Material: High quality 7075 aluminum alloy,Anodized surface.

The new narrow-wide teeth design increases chain retention, wear life, and reduces friction and noise.

Larger wide tooth design provides maximum ring durability and drop performance.

CNC machined 6061-T6 aluminum construction

Great for BMX, Fixie or Track applications

Anodized finish

☆ 104 BCD CHAINRING - 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX. The Versatility of the 104 BCD, Stop dropped chains, install simply. Please carefully confirm the specification of crank 104 BCD before purchasing

☆ SAFE EFFLCIENT DESIGN - CNC machining integrated, intensity is more secure, appply for long time cycling. Extended edition plus or minus tooth shape, the chain can effect better

☆ LIGHTWEIGHT DESIGN - 104 BCD chainring is made of alloy structure, lightweight but sturdy. with positive and negative (The positive tooth corresponding chian tooth width; tooth corresponding negative chain is narow ), teeth designed to prevent the chain from dropping, and can lose about 1 kg in weight

Optimal Performance : Solo is designed for single chainring conversions with 104mm BCD interface bike crankset. Provides tighter connection between the chain and the ring, and keeps the chain firmly in place.

Enhanced Compatibility : It's compatible with 9 to 12 speed chains, making it a versatile and practical option for a variety of different bikes and riding styles. Provides reliable and efficient performance across a range of different speed configurations.

Superior Chain Retention : The narrow-wide design locks the chain tightly with its alternating tooth, ensuring maximum security, and less likely to fall off even riding on the toughest terrain.

BCD:104mm.shape:round.Diameter:32T/135mm,34T/144mm,36T/152mm,38T/160mm.

Made of High quality Anodic oxidation 7075 T6 aluminium alloy,aerospace grade strength.Stiff 4mm plate thickness to ensure no flexing.

Light Weight:32T:41g.34T/49g,36T/59g,38T/72g.With four chainring bolts.

Single speed 104mm BCD 32/34/36/38/40/42/44/46/48/50/52T, Round/Oval, Black/Red/Blue, Thickness 4mm (1.9mm Narrow, 3.7mm Wide), very easy to install.

The new narrow-wide teeth design increases chain retention, wear life, and reduces friction and noise.

Only suit Single speed chainring, doesn't fit double/triple speeds chainrings,7/8/9/10/11/12/speed chains (for Shimano/SRAM/FSA crank).

Set of 5 male/female bolts

Inside measures 4mm when tightened, 7mm total height

Anodized finish

Material: Steel Alloy T25 , very stiff, durable.

Bolt Thread Diameter*Length : 8*6.5mm.

Slot Nut Size: M8×6.5mm.

【CNC Machine Tools,Integral Cutting Forming】🏆CNC 7075-T6 aluminum, aerospace grade strength，CNC machine tools, direct cutting, and integral forming.It is very nicely machined.

【Narrow Wide Tooth】💪The narrow wide tooth design increasing the contact area with the chain greatly, increase the grasp force, make you no longer worried about the chain dorpped, easy to pass through the bumpy road.

【Suitable for most 104BCD bicycle】🚲This chainring be used for ALL KINDS OF 104BCD cranks.Fit Mountain Bike,BMX Bike,Road Bike,Tandem Bike,Recumbent Bike,Cyclocross Bike,Dirt Jumper,Folding Bike,Hybrid/Comfort Bike.

Material: Full CNC Hollow Design,AL 6061/T6 heating Treatment ,stable and durable .Lightweight aluminum Bike Chainring Protector for All Mountain and aggressive XC

Size: 104BCD ,Shape : Crown , Thickness: 4mm,Durable. Diameter:180mm ,Weight:Approx 57.2g(0.12 lb)

Fit For 104 BCD 36T, 38T,40T ,42T Chain ring Guard ,bolts included(4pcs 2mm Chainring Bolts spacer included, you can add it if necessary).

CNC machined 6061-T6 alloy

Fits 3-pc BMX cranks

Hard anodized coating

RocRide Single Chainring Bolt Set Comes With 5 Bolts And Can Be Used On Chainrings That Require 4 or 5 Bolts. 7mm Thread Depth. 10mm External Width. Use for Hole Depths of 5-9mm.

Bolts Are Available in Durable Steel for a Classic Look or Lightweight Anodized Aluminum to Match Your Chainring Color. Colors Include Black, Blue and Red.

Aircraft Grade 7075-T6 Aluminum Is Strong And Lightweight with Each Bolt Weighing Around 1.5 Grams Each.

072774228904

Made of 7075 T6 CNC ANODIZED ALLOY, super lightweight and durable，Super Light Weight:1.6g.

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

CNC Machined Aluminum Alloy. Light Weight with Great Strength and High Performance.

Product net weight: 55grams(36T); 64grams(38T); 75grams(40T); 76grams(42T); 83grams(44T); 90grams(46T); 99grams(48T); 107grams(50T); 117grams(52T)

Bolt Center Diameter: 110mm. Plate Thickness: 4mm.

BCD:104mm.shape:Round.Size:30T

Made of High quality Anodic oxidation 7075 T6 aluminium alloy,aerospace grade strength.Stiff 4mm plate thickness to ensure no flexing.

Light Weight:30T:36g..With four chainring bolts.

☆ ALUMINUM ALLOY MATERIAL - made of high-strength aluminum alloy, the hardness is higher than steel, CNC numerical control turning processing fine workmanship, using laser laser combined with a variety of processes to create bicycle sprocket bolts

☆ ANODIZED COLORING - The anode is colored to prevent oxidation, and the surface is anodized to make the color bright and corrosion resistant. At the same time, the overall smoothness of the bolt is strengthened to make the color more dazzling and beautiful

☆ PRODUCT SIZE - 6.4mm bolts are double Chainring Bolts, 4.9mm bolts are Single Chainring Bolts, please carefully distinguish the size you need before ordering, so that you can get the correct product

High Quality Material: The bicycle chainring bolts are made of high strength 7075 aluminum alloy which are very strong and durable, corrosion-resistant and light weight.

2 Styles for Option: Single/double chainring bolts, please carefully distinguish the size you need before purchase, so that you can get the correct bike chainring bolts.

Color: Black/Gold/Red/Green/Blue/Grey/Silver, perfect for road bike, mountain bike, BMX, MTB.

Steel, Black and Chrome available

1/2"x1/8" x 40T

For 1 piece crank

104mm BCD support: Bolt Circle Diameter(BCD) is 104mm. Wrong BCD will not works. This 104BCD chainring support M391 M430 M590 M610 M615 M610 M670 M675 M770 M780 M785 M980 M640 M820, and Prowheel, IXF 104BCD crankset.

Aluminum 7075 & CNC Process: Aluminum 7075 ensure it is lightweight but stiffness. Full CNC makes the precision size and nice surface looking. 30-38T is 40-70g only(1.4-2.5oz).

7-12 Speed System Support: Your bike front chainring will be 1x after install this chainring. And rear flywheel cassette may 7/8/9/10/11/12s. 1x system makes your bike more lightweight compare to 3x and 2x.

The bolt is made of 7075 aluminum alloy material with high strength, lightweight, corrosion-resistant and durable

Appearance:Advanced anodized painting tech brings exquisite shape comes out the look of fashion style for your bikes

PRECISION AND DURABLE. T6 treated and CNC machined and chamfered. With maximum precision and durability

SE Bikes Chainring Se Bikes 1pc 39t 1/8 Stl Bk

Please Pay Attention:Please pay attention to the riders, make sure if the dimensions of your crank set is applicable to this cover. Only bike chain cover for the M430 and M590 and M390's support plate, suitable for the largest 44toothed crankset. Attention should be paid during installation. When some sprocket wheels are shipped from the factory, there is no thread in the mounting hole and you need to tap yourself.

Distance Measure Method:Mountain Bike Chain Guard of your chain has fallen off and is damaged or lost, you can use the measuring tool to measure the distance of the diagonal screw holes on the sprocket and compare it with our products. We show the size of the protective cover in the figure.

Plastic Material:4 Hole Chainring Guard is made of Plastic. This crank ring protector is lightweight with simple and classic design. Chain Wheel Great acessory for your chain wheel. Bike Sprocket Guard Provided with screws and gaskets, ycle sprocket guard easy to install. Diagonal Pitch: Approx. 15.5cm/6.1inch. Adjacent Pitch: Approx. 11cm/4.3inch.

Bynccea chainrings only suit for single speed chainring, doesn't fit double/triple speeds chainrings,7/8/9/10/11/12/speed chains (for Shimano/SRAM/FSA 104 BCD crank).

Narrow-wide tooth design increases bicycle chain retention, effectively protects the frame from scratches, extends wear life, and reduces friction and noise.

Material: High quality aluminum alloy,Anodized surface bright color,corrosion resistance.

Replacement steel sprockets for 1pc BMX cranks

1/2x3/32

Material: High quality 7075 aluminum alloy, anodized surface.

The new narrow-wide teeth design increases chain retention, wear life, and reduces friction and noise.

Larger wide tooth design provides maximum ring durability and drop performance.

36 Teeth - 1/2 X 1/8

Fits Most 16-20" Bicycles with 1 Speed Chains

Wald Products #536 Chainring 1pc Wald 36t Cp-#536

【High quality 7075 aluminum alloy】Light Weight,Great Strength,High Performance,and also with 5 chainring bolts

【Narrow Wide Chainring】Larger wide tooth design provides maximum ring durability and drop performance.wear life, and reduces friction and noise.

【Safe And Reliable】Stiff 4mm plate thickness and I-beam construction transfer loads without flexing,Chain ring installed easily.