Yeti Bike Names Explained: ARC, ASR and SB Families
GuideLast reviewed
Choose the discipline before comparing frame sizes and build kits.
Read Yeti names in layers. ARC identifies a hardtail family; ASR identifies an XC full-suspension family. SB120, SB140 and SB160 are different Switch Infinity full-suspension bikes, with numbers matching their published rear travel in millimetres. The build kit and frame size come after the family name. A bigger number is not automatically a better bike.
This decoder uses Yeti's model and support pages to explain buying distinctions. It is not an exhaustive catalog, a 2027 specification roundup or a history of every discontinued model. Use the Yeti support bike index to identify an exact generation before treating a seller's description as a parts list.
What each family tells you
| Name | Suspension identity | Riding priority | Next buying question |
|---|---|---|---|
| ARC | Carbon hardtail; no rear travel | Trail riding, singletrack and bikepacking | Do you want a hardtail's direct feedback on your regular terrain? |
| ASR | Flex-stay full suspension | Cross-country racing | Is XC racing the main job, or do you want a trail-focused build? |
| SB120 | 120 mm rear; Switch Infinity | Shorter-travel trail riding | Does the exact geometry and kit suit your descents? |
| SB140 | 140 mm rear; Switch Infinity | Trail riding on demanding terrain | Do its descending priorities match most of your rides? |
| SB160 | 160 mm rear; Switch Infinity | Enduro racing | Will you use that purpose regularly, rather than buy by travel alone? |
These rows describe the pages reviewed, not permission to use every bike on every feature. Riding-condition ratings, rider ability and component limits still apply. Our bike-type guide and suspension travel guide help separate terrain needs from a numerical ranking.
ARC: hardtail does not mean an old-fashioned XC race bike
Yeti's ARC model page describes trail, singletrack, pump-track and bikepacking use. Its ARC support page confirms a 29-inch carbon hardtail with no rear suspension. That is the useful meaning for a buyer: the rear tire and your body handle impacts without a rear shock.
Do not assume the ARC is the lightweight XC race alternative to every ASR build merely because it has no rear shock. Check the fitted fork, tires, brakes and wheels. A trail-oriented hardtail can carry a different component package from an XC race bike. Read hardtail vs full suspension if you are deciding whether the missing rear suspension suits your local trails.
The current ARC support article distinguishes fork recommendations by model year. Its scope is 2022 and newer frames, with separate guidance for 2022–2025 and 2026 onward. That is why a model name alone cannot tell you which fork specification belongs to a used bike. Verify the exact frame and manual instead of copying a live build-kit listing.
ASR: the XC race family is separate from SB
The ASR model page presents the bike as a return to XC racing and describes its flex-stay suspension. This is not the Switch Infinity system used on the SB examples. The ASR support article identifies its scope as 2024 and newer ASR frames and lists 115 mm rear travel.
That small numerical gap from SB120 does not make the two interchangeable. Their intended use and suspension design differ, and their geometry and complete builds need separate comparison. If your plans include XC race starts and long pedalling days, begin with ASR's purpose. If the priority is trail riding and descending, compare the SB options rather than buying an ASR only because it is described as light.
Yeti lists ASR LR builds separately and links a separate LR support entry. Treat that suffix as a reason to read the actual kit and setup guidance, not as a new frame size or permission to fit any longer fork. The same caution applies to used bikes where the owner has changed the fork, shock or wheels since purchase.
SB numbers: rear travel, not size or fork travel
Yeti's SB120, SB140 and SB160 pages list 120, 140 and 160 mm of rear travel respectively. Each describes Switch Infinity suspension. The SB120 page calls out trail riding, SB140 describes demanding trail terrain in both directions, and SB160 centres on enduro racing.
Rear travel is wheel movement, not shock stroke. Fork travel is another measurement again. Do not order a replacement shock using the number in the bike name, and do not infer fork travel from it. The exact manual specifies shock eye-to-eye length, stroke, hardware and compatible fork dimensions. Component substitutions can change geometry or exceed frame limits even when they seem close on paper.
This decoder does not apply the millimetre naming pattern to every historical SB designation. Nor does it publish a current-generation geometry table from old review pages. If a seller offers an SB with a familiar name, ask which generation and wheel configuration it actually is. The MTB wheel-size guide explains why those distinctions matter.
Acronym history and build-kit labels: keep the evidence separate
What do the letters originally stand for? The primary pages reviewed here establish the bike families and their riding purposes, but do not establish the original expansions of ARC, ASR or SB. We do not repeat an unverified historical expansion as current manufacturer guidance. In particular, an explanation containing the word "alloy" would not prove that a current ARC frame is aluminium.
Yeti's live kit listings use TURQ and C/Series carbon descriptions alongside component names such as XTR, X0 and C2. Those identify frame or equipment choices within a family, not your size. A more expensive kit does not fix the wrong reach, insufficient saddle adjustment or a dropper that cannot fit your riding position. Read the itemised build and weigh the cost of servicing the actual parts you will own.
Turn the decoded name into a purchase check
- Choose the discipline. Compare your regular terrain with the family's purpose, not just a holiday ride.
- Identify generation, frame size and installed parts. Ask for documentation and clear photographs on a used bike.
- Use the MTB size estimate only to shortlist sizes, then read the MTB sizing guide.
- Compare exact frame stack, reach and standover in geometry comparison. The geometry fit guide explains what those dimensions miss.
- Check saddle height and dropper insertion with the actual post. Use dropper fit; a headline maximum travel is not a personal fit guarantee.
- Get frame and suspension condition assessed. Use the used-bike fit checklist and budget confirmed servicing in the deal checker.
Once the bike is correctly identified and inspected, record the setup in the suspension setup log. Follow the exact manufacturer instructions rather than carrying another Yeti family's shock settings across. Names help you shortlist bikes; they do not replace the fit and condition checks. Finish with the practical bike fit checklist before deciding that a familiar size label is enough.
Frequently Asked Questions
Yeti sources and review scope
- ARC model page and ARC support — hardtail identity, riding purpose and model-year scope.
- ASR model page and ASR support — XC purpose, flex-stay design and generation scope.
- SB120, SB140 and SB160 — rear travel, suspension family and trail/enduro positioning.
Prepared by the BikeSize Team from Yeti pages reviewed November 6, 2026. Live pages can mix legacy descriptions and newer build listings; this guide does not infer model year from image names or publish unverified 2027 geometry, prices or parts. No hands-on test or complete model-history verification is claimed.
