We covered Origine back in September because its XC race team had the best weekend of its season at Soldier Hollow, not because anyone asked us to. That bike was a 100-120mm XC/downcountry rig built around a flex-pivot design Origine calls Dynamic Linkage. The Origine Radium is a different animal entirely — a 130mm carbon trail bike, the first dedicated trail platform this small French brand has ever built, and it skips the flex-pivot approach for something Origine engineered itself: a monopivot suspension system called AFS.

That’s the detail worth sitting with for a second. Most brands this size license a linkage design — Horst-link, VPP, DW-link, whatever — and build a frame around someone else’s kinematics. Origine designed its own monopivot layout instead. Small French brand, in-house suspension engineering, direct-to-consumer pricing. Worth a close look at whether the execution backs up the ambition.

Quick Take

Travel	130mm rear, 140mm fork (Radium LT) or 150mm fork (Radium)
Head angle	65° (LT, 140mm fork) / 64.4° (150mm fork)
Frame	Full carbon, ASTM Category 4 certified, size L frame weighs 2.7kg
Suspension	AFS (Active Flow Suspension) — in-house monopivot, two sag settings: 25% efficient / 30% aggressive
Wheels	29in only
Starting price	€4,720 complete (Shimano Deore build)
Price range	€4,450-€8,645 depending on build; frame kit from €2,825
Best for:	Riders who want a do-it-all 130mm bike and don’t mind ordering direct from France
Skip if:	You need a bike off a shop floor this week, or proven long-term reliability data on a first-generation suspension design

What Is AFS Suspension?

AFS stands for Active Flow Suspension, Origine’s in-house monopivot rear suspension system built for the Radium rather than licensed from an outside supplier. It uses a single main pivot paired with a proprietary low-mounted linkage pair that drives the shock, positioned low on the frame to keep the center of gravity down and tuned for a linear leverage curve rather than a heavily progressive one.

That’s also the reasoning behind why the bike runs two distinct sag settings instead of one default number. A linear curve doesn’t ramp up hard toward bottom-out the way a progressive design does — it stays more consistent through the stroke. The trade-off is you’re relying more on the shock’s own tune (a volume-reducing spacer, say) to manage big hits, rather than the frame’s leverage curve doing that work for you.

25% or 30%: Two Very Different Bikes From One Frame

Origine built the Radium around two sag settings rather than one recommended number, and they’re explicitly framed as different riding modes, not a narrow tuning window:

1. 25% sag — efficiency and reactivity. Firmer, more supportive, aimed at riders who spend more of the ride climbing or pedaling flat singletrack than pointing downhill.
2. 30% sag — engagement and bite. Softer, more plush, aimed at aggressive terrain and the kind of repeated bike-park-style impacts the frame’s ASTM Category 4 certification is built to handle.

That’s a wider spread than most trail bikes bother offering. A lot of 130mm bikes give you a 2-3% sag window to fine-tune within one personality. Origine is telling riders to pick a personality for the day — climb-focused or descend-focused — and set the shock accordingly. Whether that’s a genuine advantage or just more knobs to get wrong depends on how clearly Origine’s setup documentation walks a first-time owner through it, something we can’t evaluate from a spec sheet.

LT or Not: The Fork Decides the Geometry

The Radium ships in two forms sharing the same frame and the same 130mm of rear travel:

• Radium LT: 140mm fork, 65° head angle. The more trail-balanced setup.
• Radium (150mm fork): 64.4° head angle. Slacker, more front-end stability at speed, at some cost to low-speed climbing agility.

A 0.6° swing from a 10mm fork difference is normal geometry math, not a gimmick — more fork travel pushes the head tube back and down slightly, which slackens the effective head angle without Origine touching the frame itself. It’s the same lever CUBE used on the Fritzz with rotatable headset cups, just achieved here through fork choice instead of a geometry-adjust part. Riders who want one bike that leans trail-efficient take the LT. Riders who want one that leans toward aggressive descending take the 150mm build. Same frame, same AFS kinematics, genuinely different ride character depending which you pick.

Frame: 2.7kg, ASTM Category 4

A size L Radium frame weighs 2.7kg — carbon, bolts included, shock excluded. That’s a competitive number for a 130mm trail frame, not a class-leading one; it’s in the range you’d expect from a well-built carbon trail chassis rather than a stripped-down weight-weenie build.

More relevant than the number is the certification behind it: ASTM Category 4, the enduro/bike-park tier of impact testing. A lot of 130mm trail bikes are certified to the lighter Category 2 or 3 standard, built for trail riding rather than repeated hard impacts. Origine built the Radium to take a beating a pure trail bike technically doesn’t need to survive — which tracks with a frame that also supports a 150mm fork option and a 30%-sag aggressive setting. This isn’t a bike that’s nervous about getting dragged into bike-park duty on the weekends.

What Does the Radium Actually Cost?

Pricing starts at €4,720 for the complete bike, and the full configurator range runs €4,450 to €8,645 depending on build. Frame kit alone starts at €2,825.

The entry complete build runs a Shimano Deore MC1200 drivetrain, Shimano XT four-piston brakes, a RockShox Lyrik Select fork, a RockShox Deluxe Ultimate shock, Origine’s own carbon handlebar, and aluminum Prymahl A30 TR wheels. That’s a sensible spec for the price — the brakes and fork are punching above the drivetrain tier, which is the right place to spend money on a trail bike where stopping and the front end matter more day-to-day than shifter feel.

Top-end builds push into SRAM XO AXS wireless drivetrain territory with RockShox Ultimate-tier suspension, carbon wheels, and premium cockpit parts, landing near the €8,645 ceiling. That’s a wide spread for one frame — roughly €4,200 between the cheapest and most expensive complete builds — and it means the Radium competes on value at the bottom of its range and on boutique-carbon pricing at the top, not really in between.

For context, a Trek Fuel EX Gen 7 starts around $2,799 in alloy for a bike in a similar 130-145mm travel window, though that’s a mainstream dealer-network price against Origine’s direct-to-consumer French pricing — not quite an apples-to-apples comparison once you account for currency, shipping, and the fact that one of these bikes you can walk into a shop and ride home on.

The RockShox Lyrik Factor

Both the entry fork (Lyrik Select) and the shock tier running through most of the lineup lean on RockShox rather than a house-brand suspension unit, which matters for anyone worried about parts availability or service down the line. We’ve covered RockShox’s trail fork lineup before, and the Lyrik sits solidly in the category this bike is built for — not the lightest option, not the burliest, just the dependable middle that most 130-150mm trail bikes reach for. Origine didn’t try to get clever with suspension hardware the way it did with the frame’s kinematics, and that’s probably the right call. Save the risk for the part you designed yourself; buy the shock and fork from the company that’s been doing it longest.

How Does the Radium Compare to a Licensed-Linkage Trail Bike?

The honest comparison isn’t Origine against one specific competitor — it’s AFS against the licensed suspension designs that dominate this travel bracket. A four-bar or Horst-link bike benefits from years of real-world refinement across dozens of brands using the same basic geometry. AFS is unproven by comparison; it’s Origine’s first attempt at an in-house monopivot on a trail bike, following a different flex-pivot system on the brand’s XC platform. That’s not a knock — someone has to build the first-generation version of anything — but it’s the honest framing for anyone deciding between the Radium and a more established competitor at a similar price.

If you want the safer bet on suspension pedigree with a similar do-it-all brief, look at bikes running established linkage designs in the same travel bracket. If you want to be an early adopter of a smaller brand’s house-engineered suspension and you’re comfortable ordering direct from France with a roughly four-week build lead time, the Radium is a genuinely interesting option that nobody else in this price range is offering.

Who Should Actually Consider This

Riders who want one 130mm bike that can flex toward either climbing efficiency or weekend bike-park abuse. The 25%/30% sag split and ASTM Category 4 certification both point at a bike built for that range, not a pure trail cruiser.

Anyone already comfortable with Origine’s direct-to-consumer model. If the custom-spec, order-from-France process worked for you on a Théorème FS, the Radium extends that same buying experience to a longer-travel bike.

Value-focused riders willing to skip a dealer network. €4,720 for a Lyrik-and-XT-equipped complete build is a reasonable price for the spec, if you’re fine without a local shop backing the sale.

Who Should Skip It

Riders who want proven suspension pedigree over novelty. AFS is first-generation and in-house. If that makes you nervous, a bike running an established linkage design has more real-world data behind it.

Anyone who needs a bike this week. No dealer floor stock, a configurator build process, and a multi-week lead time rule this out for an impulse purchase.

US-based riders without patience for international shipping and support. Same caveat as the Théorème FS — Origine’s presence outside France is thin, and that affects warranty and service convenience more than purchase price.

The Bottom Line

Origine took a real risk with the Radium: instead of licensing a four-bar linkage the way most brands this size do, it built its own monopivot suspension system from scratch and backed it with ASTM Category 4 certification and a genuinely wide sag-adjustment range. The pricing is fair — €4,720 gets you a Lyrik fork and XT brakes, and the range tops out at €8,645 for a wireless, carbon-wheeled build. What’s unverified is whether AFS rides as well as a decade of refined Horst-link and VPP competitors. That’s not a knock on the engineering ambition. It’s just the question nobody can answer from a spec sheet, including us.

---

Specs and pricing sourced from Origine’s official Radium product page and launch coverage from Pinkbike, Vojo Mag, MTB Cult, and 4ActionSport. No test bike has been ridden by our team at time of publication.