Velomoto knowledge centre
Technical guides: Chains and sprockets
Guides on choosing, maintaining and replacing brakes, chains, variator belts and control cables, written with the technical data of our brands. Guides are currently in Turkish.
How Many Km Does a Motorcycle Chain Last? Average Life and RK Chain Durability
There is no single km figure for chain life; it is determined by maintenance, seal type, engine power and road conditions.
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When Should a Chain and Sprocket Kit Be Replaced? Do the Sprockets Need Replacing Too?
The chain, front sprocket and rear sprocket work together and wear together; that is why all three should be replaced together.
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What Are Shark Fin Teeth? How Do You Recognize a Worn, Pointed Sprocket?
“Shark fin teeth” is the hook shape that forms on a worn sprocket when one face of the teeth is gouged out, the tips become pointed and lean in one direction.
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Aluminum or Steel Rear Sprocket?
A steel rear sprocket is the choice for everyday road use and long life; an aluminum rear sprocket is the choice for light weight and performance.
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How Does Changing Sprocket Size Affect Speed and Torque?
Final drive ratio = rear sprocket tooth count ÷ front sprocket tooth count.
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What Damage Can a Broken Chain Do to the Motorcycle?
A chain that breaks while riding instantly cuts power to the rear wheel; if the chain wraps around the rear sprocket or the swingarm, the rear wheel can lock and the motorcycle can skid.
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Chain Selection and Maintenance for Enduro and Off-Road
An O-ring chain is preferred for enduro and long off-road rides, while a light, low-friction non-sealed or thin O-ring racing chain is preferred for motocross racing.
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Rivet or Clip-Type Master Link? When to Use Each
A master link (connecting link) is the link that joins the two ends of a chain; there are two types: clip-type and rivet-type.
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Which Way Should the Master Link Clip Face?
The closed (rounded) end of the clip should face the direction of chain travel, and the open end should face backward.
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How to Rivet a Chain: Step-by-Step Rivet-Type Master Link Installation
Riveting a chain means spreading the pin ends of a rivet-type master link with a chain tool so that the outer plate is fixed permanently.
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How to Calculate Chain Link Count: A Guide to Shortening a Chain
Your motorcycle's chain link count is listed in the owner's manual and in chain catalogs (for example the RK catalog); the safest method is to use that value.
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Choho Chain: Who Is the Brand and What Does It Make?
Choho is the motorcycle chain brand of Qingdao Choho Industrial, based in Qingdao, China; the company makes engine chains, motorcycle chains and sprockets.
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Who Is the Choho Distributor in Turkey? Where to Buy Choho Chains
Velomoto is the distributor of Choho motorcycle chains and chain and sprocket kits in Turkey.
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Is a Choho Chain Worth Buying? OE Quality from a Rider's Perspective
Choho chains come from a manufacturer that supplies original chains to motorcycle factories; chosen in the right series and size and properly maintained, they are a reliable option for everyday use.
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Which Motorcycle Brands Does Choho Supply with Original Chains?
Choho supplies original-equipment (OE) chains to more than 50 motorcycle factories, including Honda, Yamaha, Suzuki and Piaggio, and is part of Honda's global supply system.
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Choho Chain Quality Certifications: IATF 16949 and Test Laboratory
Choho operates under an IATF 16949:2016 quality management system certified by TÜV Rheinland and has a CNAS-accredited test laboratory.
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How to Spot a Fake Choho Chain
The safest way to tell a genuine Choho chain is to buy it from an authorized dealer of Velomoto, the distributor in Turkey, and compare the product code with the Choho catalog.
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Choho Chain or Factory (Original) Chain?
When replacing a chain, the right size, the right series and the right link count matter more than the brand; as a manufacturer that supplies original chains to motorcycle factories, Choho can replace the factory chain when these three conditions are met.
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How to Find the Right Chain in the Choho Catalog
You can find the right chain in the Choho catalog by searching for your motorcycle's make and model, the chain size or the Velomoto product code.
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Cheap Chain vs. Quality Chain: Material, Hardness and Testing
The difference between a cheap chain and a quality chain shows on the inside, not the outside: pin and bushing material, heat treatment, surface hardness, lubrication and production testing.
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How Many Links Does a Choho Chain Need? Finding the Link Count by Model
How many links a Choho chain needs depends on the motorcycle model and the sprocket sizes; you can find the correct value by counting the old chain, from the owner's manual or from the product information in the Choho catalog.
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Choho Chain Series: Standard, H, HSB, HO, Gold O-Ring and X-Ring
Choho chains come in three main designs: standard and reinforced (H, HSB) non-O-ring chains, HO O-ring chains, and yellow (gold) O-ring or X-ring chains.
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Choho 428 and 428H Chain: When to Choose a Reinforced Chain
428 is a chain size used on many motorcycles between 125 and 250 cc; 428H is the reinforced version of the same size and is preferred for heavy or loaded use.
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Choho 520 HO O-Ring Chain
The Choho 520 HO is an O-ring chain in 520 size; the O-rings hold grease between the pin and bushing and keep dust and water out, extending the maintenance interval.
Read the guideWhere can I buy the products? We do not sell directly to end users. You can buy the products mentioned in our guides from our authorised dealers.
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