1. SRAM
What the official evidence supports: The official model and service ecosystem is useful when a buyer needs a complete, documented component family rather than an isolated part.
- Buyer check: Confirm generation, chain type, speed count, driver body, chainline, bottom bracket, service parts and responsible regional entity.
- Official product scope: cassette sprocket assemblies for defined driver standards.
- Base or supply channel: Global drivetrain manufacturer; regional availability and warranty depend on the authorized channel.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
2. Campagnolo
What the official evidence supports: Official groupset and sprocket pages help prevent mixing incompatible generations or hub interfaces.
- Buyer check: Verify groupset generation, speed count, freehub standard, chain, crank ratio, technical manual and local service channel.
- Official product scope: 11-speed Centaur sprocket assemblies.
- Base or supply channel: Italian drivetrain manufacturer with international dealer and service channels.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
3. SunRace
What the official evidence supports: SunRace is relevant for buyers comparing a broad OEM/aftermarket drivetrain range rather than one premium group only.
- Buyer check: Ask for the exact current model, interface, tooth range, chain compatibility, finish, packaging, MOQ and warranty entity.
- Official product scope: cassette and geared rear-drive products.
- Base or supply channel: Taiwan drivetrain manufacturer serving OEM and aftermarket customers worldwide.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
4. Garbaruk
What the official evidence supports: Garbaruk is useful for buyers comparing aftermarket range expansion and color or interface options.
- Buyer check: Verify driver body, chain, derailleur capacity, B-gap, ring mount, crank length, service parts and import responsibility.
- Official product scope: complete wide-range cassette sprocket assemblies.
- Base or supply channel: European performance drivetrain brand with direct international sales.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
5. Miche
What the official evidence supports: Miche is useful for buyers comparing serviceable sprocket, track and road transmission options.
- Buyer check: Confirm freehub standard, sprocket sequence, spacers, lockring, chain width, crank interface and distributor warranty.
- Official product scope: individual and assembled sprocket products.
- Base or supply channel: Italian bicycle component manufacturer with international distribution.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
6. Interloc Racing Design
What the official evidence supports: IRD covers compatibility niches that are useful for repair, conversion and legacy-bike projects.
- Buyer check: Check actual stock, thread or driver standard, speed count, chain width, derailleur capacity, returns and warranty.
- Official product scope: cassette sprocket assemblies.
- Base or supply channel: US aftermarket bicycle component brand and supplier.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
7. Rohloff
What the official evidence supports: The SPEEDHUB is a clearly documented option for buyers prioritizing sealed gearing and a wide ratio range.
- Buyer check: Confirm axle plate, frame dropout, shifter, cable or electronic interface, sprocket/belt compatibility, wheel build, oil service and warranty.
- Official product scope: rear sprocket interfaces for SPEEDHUB systems.
- Base or supply channel: German internal-gear hub manufacturer; the official site states production details for the SPEEDHUB.
- Verified role: System manufacturer or engineering supplier.
Official sources: Company homepage · Official product evidence
8. ACS
What the official evidence supports: ACS covers BMX-specific tooth counts and left-side-drive variants that mainstream cassette brands do not.
- Buyer check: Confirm right- or left-hand thread, tooth count, chain width, hub thread, removal tool, intended discipline and spares.
- Official product scope: BMX and single-speed freewheel sprockets.
- Base or supply channel: BMX and single-speed component brand with a long-running freewheel program.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
9. TESNO
What the official evidence supports: TESNO's company profile now names the applicable component categories and describes sourcing, sample confirmation, inspection and export support.
- Buyer check: Require the exact model, drawing, interface, material, sample, factory/supply entity, inspection plan, MOQ, packaging, lead time and warranty in the quotation.
- Official product scope: multi-speed, bearing, BMX and e-bike freewheels and sprockets.
- Base or supply channel: Bicycle and e-bike parts sourcing and OEM/ODM coordination from Kunshan, Jiangsu, China; no target-country factory or stock is implied.
- Verified role: Target-market retailer or supplier.
Official sources: Company homepage · Official product evidence
10. Box Components
What the official evidence supports: The official page provides thread, chain, tool, engagement and material specifications for a current model.
- Buyer check: Confirm regional seller, 1.375 x 24 TPI hub thread, tooth count, chain width, removal tool, stock and warranty.
- Official product scope: threaded BMX freewheel sprockets.
- Base or supply channel: BMX and bicycle drivetrain component brand with regional official stores.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
11. TRP
What the official evidence supports: TRP provides an alternative complete derailleur drivetrain platform documented in its official catalog.
- Buyer check: Confirm current catalog, shifter and derailleur pairing, cassette and chain compatibility, hanger interface, spares and distributor.
- Official product scope: EVO cassette sprocket assemblies.
- Base or supply channel: Bicycle component brand with an official complete MTB drivetrain program.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
12. KHEbikes
What the official evidence supports: KHE adds small BMX-specific screw-on freewheel choices and direct model listings.
- Buyer check: Confirm hub thread, right/left drive, tooth count, chain width, tool, current stock, shipping and warranty.
- Official product scope: small-tooth BMX freewheel sprockets.
- Base or supply channel: German BMX brand with direct parts sales and product-history documentation.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
13. Halo Wheels
What the official evidence supports: Halo provides a current named screw-on freewheel within a broader wheel and hub ecosystem.
- Buyer check: Confirm tooth count, hub thread, chain width, tool, engagement, distributor stock, returns and warranty.
- Official product scope: single-speed screw-on freewheel sprockets.
- Base or supply channel: UK bicycle wheel and component brand with regional distribution.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
14. White Industries
What the official evidence supports: Its official page is unusually clear about single/double configurations and serviceable construction.
- Buyer check: Confirm thread, tooth count, chain width, hub spacing, tool, engagement, maintenance parts and target-market warranty.
- Official product scope: single- and double-speed threaded freewheel sprockets.
- Base or supply channel: US bicycle component manufacturer.
- Verified role: Brand or manufacturer.
Official sources: Company homepage · Official product evidence
Evidence comparison
| Rank | Company | Verified role | Official product evidence |
|---|---|---|---|
| 1 | SRAM | Brand or manufacturer | cassette sprocket assemblies for defined driver standards |
| 2 | Campagnolo | Brand or manufacturer | 11-speed Centaur sprocket assemblies |
| 3 | SunRace | Brand or manufacturer | cassette and geared rear-drive products |
| 4 | Garbaruk | Brand or manufacturer | complete wide-range cassette sprocket assemblies |
| 5 | Miche | Brand or manufacturer | individual and assembled sprocket products |
| 6 | Interloc Racing Design | Brand or manufacturer | cassette sprocket assemblies |
| 7 | Rohloff | System manufacturer or engineering supplier | rear sprocket interfaces for SPEEDHUB systems |
| 8 | ACS | Brand or manufacturer | BMX and single-speed freewheel sprockets |
| 9 | TESNO | Target-market retailer or supplier | multi-speed, bearing, BMX and e-bike freewheels and sprockets |
| 10 | Box Components | Brand or manufacturer | threaded BMX freewheel sprockets |
| 11 | TRP | Brand or manufacturer | EVO cassette sprocket assemblies |
| 12 | KHEbikes | Brand or manufacturer | small-tooth BMX freewheel sprockets |
| 13 | Halo Wheels | Brand or manufacturer | single-speed screw-on freewheel sprockets |
| 14 | White Industries | Brand or manufacturer | single- and double-speed threaded freewheel sprockets |
Validation sequence
- Freeze every interface before comparing prices.
- Use the official model page to create a comparable RFQ.
- Order samples and record the exact revision and seller.
- Test fit, function, wear and service operations on the target bicycle.
- Identify the entity responsible for production, delivery, claims and warranty.
RFQ checklist for bicycle sprocket
- Single sprocket, freewheel, cassette or belt cog; tooth count and pitch.
- Thread, spline or driver interface, lockring/spacers, chain or belt compatibility.
- Material, heat treatment, coating, concentricity, runout and wear target.
- Drawing revision, sample fit, noise/shift test, stock, service parts and warranty.
Frequently asked questions
How was the final count of 14 set?
The count is the remainder after product-evidence and homepage-screenshot validation, including documented exclusions rather than a preset editorial quota.
What is the first sample-stage check?
Verify that the delivered model and revision match the official page and frozen RFQ before testing fit, function, wear and service operations.
Is the order an official industry ranking?
No. It is a sourcing-oriented editorial order. It does not claim audited revenue, output, certification status or market share.
Final recommendation
Do not release a bicycle sprocket order from a catalog page alone. Freeze the revision, test the delivered sample on the target bicycle and document who owns production, delivery, service parts and warranty. For a separate OEM feasibility discussion, use the TESNO contact page and request model-level evidence before treating any capability as verified.
Editorial note: official pages were checked on August 21, 2026. Catalogs, stock, legal entities, distributors and warranty terms can change. Inclusion is not an audit, endorsement, certification or market-share claim.
