Lever Styles Explained: Schlage Rhodes, Sparta & Tubular vs. Sargent Lever Designs

Walk down almost any commercial hallway and you'll notice the lever handles all look the same, and that's not an accident. Lever style is one of those specification details that gets overlooked until a mismatched handle shows up on a punch list, or a locksmith gets a call to "match what's already on the building" without knowing which of dozens of lever designs that actually is.

In this guide, we'll break down the most common Schlage lever styles (Rhodes, Sparta, and Tubular), how Sargent approaches lever design differently, and the code-driven reason nearly every commercial lever you'll ever install has that distinctive curved, hooked shape.

Why Are Commercial Lever Handles Curved?

If you've ever compared a commercial lever to an old-style round doorknob, the difference isn't just looks. It comes down to two separate rules that get lumped together in the field: accessibility hardware requirements and a clothing-snag safety rule.

1. Accessible hardware requirements (why levers replaced knobs at all). The ADA Standards and ICC/ANSI A117.1 require operable hardware on accessible doors to be usable with one hand and to not require tight grasping, pinching, or twisting of the wrist to operate. A round knob fails that test because you have to grip and twist it. A lever, paddle, or push-pull can be operated with a closed fist or even an elbow, which is why levers became the default for commercial construction and why round knobs have all but disappeared from new commercial buildings.

2. The curved "return to door" shape (the fire/life-safety piece). This is the part locksmiths hear about constantly, and it's often misquoted as a blanket national fire code. The precise rule, that a lever must be curved with a return to within 1/2" of the face of the door, comes from California's building code amendments. The reasoning is straightforward: during an emergency evacuation, people are moving quickly, often in a crowd, and a lever that sticks straight out from the door can snag clothing, backpacks, purse straps, or even a fire hose being pulled through a corridor. A returned lever eliminates that catch point.

While that specific "1/2 inch return" language is a California requirement rather than a universal IBC, NFPA 101, or federal ADA mandate, most manufacturers, Schlage and Sargent included, design their standard commercial lever lines to meet it anyway. It costs nothing extra to build in the return, it satisfies the strictest state code on the books, and plenty of local authorities having jurisdiction (AHJs) enforce a similar expectation even where it isn't spelled out word-for-word. Practically speaking: if you're specifying commercial lever hardware anywhere in the country, choosing a curved, returned lever is the safe, code-friendly default rather than the exception.

Schlage Lever Styles: Rhodes, Sparta, and Tubular

Schlage is unusual in that it gives its lever designs actual names instead of just numbers, and the same silhouette often reappears across multiple product lines under a different label. Here are the three you'll run into most often:

Rhodes

Rhodes is Schlage's classic, gently curved commercial lever and probably the single most-installed lever shape in the Schlage catalog. It has a smooth, rounded profile with a substantial return, which makes it a comfortable default for storerooms, offices, entrances, and just about any door function. On the ND-Series cylindrical platform it's marked "RHO," and the equivalent shape on the L9000-Series mortise platform is ordered as the "06" lever design, so a Rhodes lever on a cylindrical lock and an "06" lever on a mortise lock will look identical side by side. We stock this exact design as the Schlage ND80PD RHO Storeroom Cylindrical Lock in Satin Chrome.

Sparta

Sparta has a slightly more contemporary, angular profile than Rhodes while still meeting the same curved-return requirement. It's a popular choice on office buildings and multi-family or mixed-use projects where the design team wants something a bit more modern-looking than the traditional Rhodes curve. On the mortise side, the same shape shows up as the "17" lever design.

Tubular

Tubular is a different animal from Rhodes and Sparta. Rather than a cast, sculpted lever, it's a simpler, lighter-duty forged lever most associated with Schlage's tubular and interconnected lock platforms (the S-Series and ND "TLR" designation). It's a common, budget-friendly choice for back-of-house doors, storage closets, and lighter-traffic openings where a full Grade 1 cylindrical or mortise lock isn't necessary, but it's still built with the same ADA-compliant curved return.

Schlage also offers a handful of other named designs, Athens, Broadway, Latitude, Longitude, Omega, and Boardwalk among them, but Rhodes, Sparta, and Tubular cover the vast majority of what you'll actually see specified on commercial projects.

Sargent Lever Styles: A Different Naming System

Sargent takes a more utilitarian approach than Schlage. Instead of marketing individual lever shapes with names, Sargent identifies levers with a letter code that gets combined with a rose (the round or rectangular plate behind the lever) code in the model number. On Sargent's 8200 Series mortise locks, you'll commonly see combinations like LNL (LN rose with an L lever) or LNB (LN rose with a B lever) called out directly in the part number, so an order like "8205-LNL-26D" tells a locksmith exactly which rose, which lever, and which finish (satin chrome) to expect without needing a product photo.

• L Lever – Sargent's standard, most widely stocked lever shape. It plays a similar role in Sargent's lineup that Rhodes plays for Schlage: the default curved lever most facilities end up with unless someone specifies otherwise.
• B Lever – A more contoured alternative to the L lever, seen frequently on passage and closet function locks.

The same letter-and-rose logic carries over to Sargent's 10 Line cylindrical locks, where you'll see designations like "LL" (L rose, L lever) on the box. Sargent's 8200 platform is also the basis for electrified retrofit options like the Command Access ML371 electrified Sargent 8200 mortise lock, which lets you add access control to a Sargent-lettered opening without changing the lever hardware the building already has.

Schlage vs. Sargent: Why the Naming Difference Matters in the Field

For a locksmith or facilities manager, the practical takeaway isn't which brand's lever "looks better," it's that you cannot mix and match lever designs across a building and expect it to look intentional. Just like specifying the wrong finish code creates mismatched hardware down a corridor (something we cover in our guide to door hardware finish codes), installing a Sparta lever next to a run of existing Rhodes levers, or an L lever next to a run of B levers, will stand out immediately to anyone who works in the building every day.

Before ordering replacement or additional hardware, it's worth confirming three things: the brand (Schlage vs. Sargent vs. another manufacturer), the lever design (Rhodes vs. Sparta vs. Tubular, or L vs. B), and the lock function the opening needs (storeroom, entrance, passage, classroom, and so on, which we cover in our guide to choosing the right commercial lock function). Getting the lever design right the first time saves a return shipment and keeps the building looking uniform. Browse our full selection of Schlage commercial hardware and mortise locks to find the right match for your project.

Final Thoughts

Lever style is a small detail with a big visual impact, and it's easy to get wrong when you're not the one who originally specified the building's hardware. Whether you're matching an existing Schlage Rhodes lever, upgrading to the more modern Sparta profile, spec'ing budget-friendly Tubular hardware for a storage door, or working within a Sargent-lettered system, the underlying curved-return shape exists for the same reason: keeping people safe and unsnagged during an emergency exit while meeting ADA grasp requirements every day in between.

At SNTRY Supply, we stock commercial-grade Schlage and Sargent-platform hardware and can help you identify the exact lever design already on your building before you order. If you're not sure which lever you're looking at, send us a photo of the lockset and our team can usually match it in a few minutes.