Spirit Fitness CSD-BCTE Dual Biceps Curl/Triceps Extension

Yes — it's built and warrantied for full commercial use, with an 11-gauge steel frame, a fully enclosed 180 lb stack, and LOOS USA aircraft-grade cables rated for the all-day, multi-user traffic a lighter arm machine isn't.

Commercial-grade isn't a marketing word here — it's what the build is rated for and what the warranty actually covers. The CSD-BCTE runs an 11-gauge steel frame, a fully enclosed 180 lb stack, and LOOS USA aircraft-grade cables, and its warranty applies in any facility type, including full commercial. That matters beyond durability: residential-grade machines typically exclude commercial use in their own fine print, which can leave a facility holding the liability if someone is hurt on under-rated equipment. The contact points that wear first on cheaper arm machines — the arm pad, the pivot bar, the cables — are exactly where this one is built heavier, with beveled pads and sport stitching. Paying once for a machine rated for the job typically costs less over five years than replacing a residential unit and absorbing the downtime in between.

It ships free by LTL freight with a liftgate included by default, so it comes off the truck without you wrestling a heavy pallet. Professional installation is available on request.

We ship this machine free, by LTL freight, and a liftgate is included by default — so it's lowered to the ground for you rather than left as a heavy pallet you have to manage. If you have a forklift or a loading dock, just ask and we'll quote freight without the liftgate to save you the cost. It arrives disassembled on the pallet with a full illustrated manual, all tools, and hardware included; most facilities handle setup with two people. And if you'd rather not assemble it yourself, professional installation is available on request and quoted as a separate line item, so the machine can be set up and ready to use without you touching a wrench.

You come to us, not the manufacturer — Blue Sky handles the warranty claim and sources the replacement part on your behalf, so a fix doesn't turn into weeks of chasing it down yourself.

If anything ever needs a part or a repair, you deal with Blue Sky directly — we manage the warranty claim with Spirit and source the replacement for you, rather than handing you a phone number and a queue. That's deliberate: the most common frustration in this category is a machine sitting unusable while the owner waits on a part and argues over who pays the shipping, and we take that off your plate. If you'd prefer to coordinate with Spirit directly on a particular part, that's always your call — but you never have to. Keeping the machine in service is the whole point, especially on a floor where a dead station means a complaint at the front desk.

10-year frame, 5-year major moving parts, 1-year finishes, wear parts, and labor, and 6-month upholstery — a commercial warranty valid in any facility type.

This machine carries Spirit Fitness's commercial warranty, and it applies in every facility type rather than voiding the moment the machine is used commercially. Coverage runs 10 years on the frame; 5 years on the major moving components — bushings, bearings, shocks, pulleys, and guide rods; and 1 year on paint and finishes, cables, grips, the counter/timer, pull-pin, rail wheels, attachments, and labor. Upholstery is covered for 6 months. And because Blue Sky handles claims on your behalf, it's a warranty you actually use through one point of contact — not a document you end up fighting with after the fact.

It supports users up to 360 lb and fits heights from about 4'11" to 6'8". The adjustable seat and a pivoting bar align the elbows and forearms for a wide range of body sizes.

The biceps curl/triceps extension machine is rated for users up to 360 lb and is designed to fit users from roughly 4 feet 11 inches to 6 feet 8 inches tall, which covers the full range of a typical commercial membership. Fit matters most on an isolation machine: the adjustable seat sets the elbows in line with the machine's axis, and the curling/extension bar pivots to accommodate different forearm lengths so the resistance tracks correctly. The angled arm pad keeps the upper arm supported and minimizes shoulder involvement, so users of different sizes can all keep the work on the biceps or triceps. The result is a single station that fits a broad mix of heights and ability levels rather than only an average frame.

A 180 lb selectorized stack adjusts in 5 lb increments. Biceps curl runs a 0.7 pulley ratio (up to ~126 lb effective) and triceps extension a 0.5 ratio (up to ~90 lb).

This machine uses a 180 lb selectorized weight stack that adjusts in 5 lb increments with a standard pop-pin. The two movements are geared differently on purpose: biceps curl runs a 0.7 pulley ratio, so the effective resistance reaches up to roughly 126 lb at the top of the stack, while triceps extension runs a 0.5 ratio for up to roughly 90 lb. Those ranges suit the smaller muscles of the arm, and the fine 5 lb steps make steady progression easy without overshooting — important on isolation work where small jumps matter. Because the same stack serves both movements, users switch from curls to extensions without re-racking anything. The stack is fully enclosed behind translucent shrouds for safety on a busy floor.

The curl trains the biceps (front of the upper arm); the extension trains the triceps (back of the upper arm). Together they cover balanced arm development from one station.

The biceps curl/triceps extension machine trains both major muscle groups of the upper arm from one seat. The biceps curl works the biceps brachii on the front of the upper arm, which flexes the elbow, while the triceps extension works the triceps on the back of the arm, which straightens it. The angled arm pad and pivoting bar keep the shoulder out of the movement so the work stays isolated on the target muscle — the way arm training is meant to be loaded. Balanced biceps and triceps strength supports every pressing and pulling movement elsewhere in a program, which is why the pairing is a staple for general members and athletes alike, and covering both from one station keeps it available without two separate machines.

It occupies about 44" L × 51.5" W and stands 62" tall, and replaces two arm machines in roughly half the floor space.

The biceps curl/triceps extension machine occupies about 44 inches long by 51.5 inches wide and stands 62 inches tall — one of the more compact stations in the dual lineup. Because it trains both the biceps curl and the triceps extension from one seat, it does the job of two separate machines while taking roughly half the floor space, which is a real consideration when every square foot of a gym floor has to earn its place. The low-profile tower keeps sightlines open across the room, helping supervision and keeping the space from feeling crowded. For a facility deciding what to fit into a fixed footprint, that two-in-one design is often the deciding factor.