Chainrings Kaisai
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 | Feature: 1. 10T front sprocket cog, fit for 415 chain, 1.8in sprocket diameter, 0.6in center hole diameter. 2. Practical accessory for 48cc 80cc 2 stroke motorised motorized bicycle bike. 3. Adopt premium iron alloy material, high hardness, anti‑corrosion and durable. 4. Direct replacement for the old or damaged front sprocket cog, reliable to use. 5. Simple and fast to install, no complicated tools required, convenient for using. Specification: Item Type: Front Sprocket Cog Material: Iron Alloy Teeth: 10T Fit to Chain: 415 Chain Sprocket Diameter: Approx. 45mm 1.8in Center Hole Diameter: Approx. 14.5mm 0.6in Fitment: for 48cc 80cc 2 Stroke Motorised Motorized Bicycle Bike . Package List: 1 … |  |
 | Feature: 1. Sprocket is made of high‑quality steel, strong and durable, has a long service life. 2. With stable performance and high reliability, suitable for karts, ATVs, motorcycles. 3. The Diameter is 145mm and the inner Diameter is 29mm, with great workmanship, perfect replacement for the old one. 4. Convenient to use and with small size, easy to carry and store, very practically. 5. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification: Item Type: Rear Chain SprocketMaterial: Steel Diameter: Approx. 145mm 5.7in Inner Diameter: Approx. 29mm 1.1in . Package List: 1 x Rear Chain Sprocket | |
 | Feature: 1. Made of high‑quality steel, corrosion‑resistant, high‑performance, and durable to use. 2. Precise internal thread ensures a close connection with the bicycle hub, smooth operation. 3. Lightweight and compact, easy to install on a bicycle, no need of complicated operations. 4. Original standard, direct replacement for the old or broken one. 5. Built to meet standard specification, strictly follow factory quality control. Specification: Item Type: Bike Freewheel Material: Steel Inner Diameter: Approx. 3.4cm 1.3in Application: Universal for electromobile and bicycle . Package List: 2 x Freewheel | |
 | Feature: 1. Fitment: T8F rear sprocket is fit for 2 Stroke 43cc 49cc Goped Scooter, please check carefully to make sure it is compatible with your vehicle. 2. Performance: Used for the original sprocket replacement, repair and other applications, providing you with better transmission performance and riding experience. 3. Material: Rear drive sprocket is made of excellent quality steel alloy, sturdy and durable, strong toughness, long service life. 4. Excellent Features: The rear sprocket adopts a simple design, light and compact, easy to carry and use, convenient and practical. 5. Ideal Replacement: Easy to install, direct replacement for the old or damaged one, professional manufactured, improving … | |
 | Feature: 1. Fitment: Rear chain sprocket is good replacement for MONKEY Z50A Z50 Z50R Z50J, suitable for 420 pinion electric tricycle. 2. Characteristic: 420 chain rear sprocket has 29‑tooth, the outer Diameter is 122mm 4.8in, and the inner Diameter is 30mm 1.18in. 3. Premium Material: The sprocket is made of high quality steel alloy, which is durable, has strong toughness and long service life. 4. Compact Size: The rear sprocket adopts a simple design, lightweight and compact, easy to carry and use, convenient and practical. 5. High Quality: Professional manufacturing, exquisite workmanship, rear sprocket has high reliability and stable performance. Specification: Item Type: Rear Sprocket Ma… | |
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 | Feature: 1. Fitment: 36T rear sprocket, fit for 415 chain, fit for 49cc 50cc 60cc 80cc Motorized Bicycle Push Bike. 2. Steel Alloy: Made of premium steel alloy, with heated treatment, good wear resistance, high strength. 3. Advantage: This sprocket can provide maximum power transmission, ensures better transmission performance. 4. Simple Installation: It can be installed easily, no complicated tools required, convenient to use. 5. Excellent Replacement: With original standard, it s a direct replacement for your old rear chain sprocket. Specification: Item Type: Rear Chain Sprocket Material: Steel Alloy Teeth Number: 36T Type: Fits 415 Chain Installation Location: Rear Fitment: For 49cc 50cc … | |
 | Our product is made of aluminium alloy, which is lightweight and durable to use. Intensity is more secure, appply for long time cycling. A perfect replacement for bike repair. Features: 1. Made of aluminium alloy, which is lightweight and durable to use. 2. Ergonomic shape utilizes the stampede acting efficiently to create more stampede traction. 3. Compatible for M6000 M7000 M8000 M9000 Series Cranks. 4. The positive tooth corresponding chian tooth is wide, tooth corresponding negative chain is narrow. 5. A perfect replacement for bike repair. Specification: Condition: 100percent Brand New Item Type: Chainring Material: Aluminium Alloy BCD: 96 mm 3.8 in Diameter: 32T: 13.5 cm 5.… | |
 | Feature: 1. Aluminum Alloy Material: Full aluminum alloy forging, strong impact proof, uniform force, making your ride more smooth. 2. Anodized Surface: The surface is anodized to effectively protect the aluminum alloy body and prevent the surface from rusty and oxidation. 3. Positioning Groove: High accuracy chainring positioning groove, strong bite force, arc cutting angle, efficient transmission, smooth and powerful operating. 4. Tooth Shape Design: The wide and narrow tooth shape design reduces the wear of the chain, reduces the load on the vehicle, and does not drop the chain while riding. 5. Sludge Discharge Mouth: The unique sludge discharge oblique mouth prevents the accumulation of … | |
 | Feature: 1. Applicable Model: Chain rear sprocket is suitable for most Chinese 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 190cc Pit Dirt Bike. 2. High Performance: The rear sprocket provides your pit bike with maximum power transmission, long service life and better transmission performance. 3. Fine Workmanship: Rear sprocket is made of high carbon steel material, with heat treated process, wear resistant, rustproof, not easy to deform. 4. Easy Installation: 37T chain sprocket is simple to operate, no complicated operations, directly replace, convenient and easy for using. 5. Direct Replacement: The rear sprocket is very suitable for the replacement, renovation, maintenance and upgrading … | |
 | Feature: 1. Applicable Model: The front sprocket is for Chinese 200cc engines, replacement for Coleman CT200U mini bike. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2. Premium Material: Made of high strength and robust steel alloy, the chain sprocket crafted to withstand everyday wear, tear and rust, while maintaining superior performance. 3. 16mm Hole Diameter: The 420 chain bike sprocket features a 16mm bore for compatibility with a variety of mini bike models, can be a practical and versatile addition to your mini bike assembly. 4. Enhanced Performance: The 10T front sprocket enhances bike performance by providing efficient … | |
 | Features: Compatible for M4050 M590 M610 SLX XT XTR and more. Aluminum alloy construction is corrosion resistant, solid and durable. Easy to install and tighten it only if you make sure the thread in alignment. Widely applied for various bikes. Wonderful part for replacing the old ones. Specification: Condition: 100percent Brand New Material: Aluminum Alloy Color: Black, Silver( Optional ) Compatibility: for M4050 M590 M610 SLX XT XTR and more Center to center Distance: Approx. 170mm 6.7in Whole Dimensions( L * W): Approx. 22 * 4.5 * 3cm 8.7 * 1.8 * 1.2in Weight: Approx. 266 271g Packing List: 1 x Bike Crank Arm . | |
 | Our product is made of aluminium alloy, which is lightweight and durable to use. Intensity is more secure, suitable for long time cycling. A perfect replacement for bike repair. Features: 1. Made of high quality aluminium alloy, which is lightweight and durable to use. 2. Ergonomic shape utilizes the stampede acting efficiently to create more stampede traction. 3. Suitable for most SHIMANO crankset, fit for AM XC bicycle. 4. The positive tooth corresponding chian tooth is wide, tooth corresponding negative chain is narrow. 5. A perfect replacement for bike repair. Specifications: Condition: 100percent Brand New Item Type: Chainring Material: Aluminium Alloy Color: Black BCD: 104mm 4.1inch Weight: … | |
 | Feature: 1. Fitment: 9 holes chain sprocket is specially designed for 50cc 66cc 80cc Motor Gas Engine, comes with installation accessories. 2. Dimensions: Chain wheel sprocket has 44 tooth, the outer Diameter is 180mm 7.09in, and the inner Diameter is 37mm 1.46in. 3. High Performannce: 44T Sprocket can greatly improve the transmission efficiency and restore the best performance of the vehicle. 4. Premium Material: The sprocket is made of high strength metal alloy, which is durable, has strong toughness and long service life. 5. Aftermarket Replacement: The installation is convenient and fast, practical and reliable, high transmission efficiency, is an ideal substitute. Specification: Item Type: … | |
 | Feature: 1. High Quality: Made of high quality carbon steel material, with exclusive heat treatment process to increase wear resistance and strength. 2. Fine Workmanship: Professional manufacturing, in strict accordance with the standard requirements, exquisite workmanship, long service life. 3. Features: Stable performance, excellent performance, high reliability, suitable for go kart sprocket replacement, maintenance, and upgrade. 4. Function: Provide greater power transmission and better transmission performance for vehicle operation with long lifespan. 5. Wide Application: Compatible with Go Kart Mini Bike, Mini Moto, Drift Trike, please check the detailed specifications before ordering.… | |
 | Feature: 1. Made of quality metal material, high strength, corrosion resistance, anti deformation, durable. 2. The narrow wide teeth design increases chain retention, increase life, and reduces dropping chain friction noise. 3. Professional manufacturing, directly replace your old or broken chain ring. 4. Wonderful repairing part for mountain bike. 5. 3 different type for you to choose, meet your different needs. Specification: Item type: Bike ChainringCondition: 100percent brand newModel: XV Material: aluminum alloyColor: black Thickness: Approx. 4mm 0.16inSpecification: Standard 96BCD (the bolt center distance is 96mm) Options: 32T, 34T, 36T32T: BCD:96mm (Four holes are enclosed in a square,… | |
 | Features: Made of high quality aluminum alloy, light weight, high strength and durable. Fashionable appearance, cool to mount on your bicycle. High axial strength, strong compatibility, suitable for mountain bike road bike. Easy to install. A perfect replacement for bike repair. Specification: Condition: 100percent Brand New Material: Aluminium alloy Color: black BCD: 130mm 5.1inch Option Diameter Weight 50T 208mm 8.2inch 85g 52T 216mm 8.5inch 88g 54T 224mm 8.8inch 92g 56T 231mm 9.1inch 98g 58T 242mm 9.5inch 103g Package list: 1 x Bike Chain Wheel | |
 | Feature: 1. The unique inclination Angle design makes it easy to increase the stepping frequency on the flat road, and easier to plan the dead point on the uphill, which is convenient for cycling. 2. Optimized tooth shape design, improved details, more reliable chain and anti‑stripping, more convenient dirt cleaning. 3. Eagle tooth design, thickness one thick one thin, higher rotation efficiency, internal chain consistent. 4. The tooth disc adopts lightweight design and hard oxidation treatment. The unique tooth shape design can effectively prevent chain drop. 5. Support 8‑12 speed system, 5mm thick, effectively increase the chain contact area, increase the use of tooth area. Specification: Item… | |
 | Feature: 1. The unique inclination Angle design makes it easy to increase the stepping frequency on the flat road, and easier to plan the dead point on the uphill, which is convenient for cycling. 2. Optimized tooth shape design, improved details, more reliable chain and anti‑stripping, more convenient dirt cleaning. 3. Eagle tooth design, thickness one thick one thin, higher rotation efficiency, internal chain consistent. 4. The tooth disc adopts lightweight design and hard oxidation treatment. The unique tooth shape design can effectively prevent chain drop. 5. Support 8‑12 speed system, 5mm thick, effectively increase the chain contact area, increase the use of tooth area. Specification: Item… | |
 | Features: 1. Made of premium aluminium alloy, hollow design, which is lightweight, adding no heaviness to bike. 2. High strength and deformation resistance, durable for long time use. 3. Standard accuracy machining, which ensures ultimate chain retention, increases service life, and reduces friction and noise . 4. 170mm crank arm length without any overlap of crank arm and chain ring bolt. 5. A good replacement for bike repair, compatible with many bike models. Specification: Material: Aluminium Alloy Color Options: Black; Silver BCD: 130 mm (suitable for 107 110mm) Arm Length: 170 mm 6.7 inch Fit for: pedal Diameter = 9 16 The distance from the center of the plate nail to the center axis : … | |
 | Features: Ride more efficiently with this bike crankset, suitable for folding bikes. Aluminum alloy for ultimate strength and reliability. 170mm crank arm length, 5 bolts fixing. Bolt circle Diameter (BCD): 130mm, fits on all speed road bikes. Perfect refit accessories for your road bike! Specification: Brand name: Meijun Product material: aluminum alloy Application: folding bike Arm length: 170mm 6.7in Dimension: approx. 28*19.5cm 11*7.7in (crankset), 20.5*3.3cm 8.1*1.3in (crank) Item weight: approx. 738 757g Package List: 1 * Crankset 2 * Crank (bikes and other items are not included) . Note: Please note that the product does not contain screws. | |
 | Features: Made of high strength aluminum alloy, non deformation and durable to use, provides a better force. This crankset is compatible with single speed bike. Standard precision machining, which ensures gears occludes perfectly, increases service life, and reduces friction and noise . Helps make riding more labor saving and efficient. Great accessory for bike lovers and DIY enthusiasts. Specifications: Condition: 100percent Brand New and High Quality Material: Aluminum Alloy & Steel Color Options: Black; Black & Red Chain Diameter: Approx. 183mm 7.2inch Crank Hole Length: Approx. 170mm 6.7inch Chain Compatibility: Single Speed Size: As picture show Weight: Approx. 674g Packing List: 1 x Crank … | |