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Every pressing movement works the triceps. Every pulling movement fires the biceps. The problem is that compound training rarely produces full isolation in either muscle group; the back takes over on rows, the chest dominates on pressing, and the arms end up doing a fraction of the work they could handle on their own. Dedicated arm machines remove the supporting cast entirely, putting the full load directly on the muscle that needs it.
BodyKore's arms category runs from selectorized bicep and tricep machines to a dual-function combo station, a preacher curl bench, an assisted chin/dip unit, and a full range of cable and functional training systems. The construction baseline is the same across the lineup: 11-gauge steel frames rated to hold over 1,000 lbs, electrostatic powder coat finish, commercial warranty with lifetime frame coverage and five years on parts and upholstery.
The biceps brachii runs from the shoulder socket to the forearm radius. Its job is elbow flexion. Free weight curls work, but they let the shoulder, back, and body angle shift as the load climbs. Experienced lifters know the feeling: the weight goes up, but the back starts pitching in. A dedicated bicep machine fixes that. Elbows stay fixed, the shoulder stays out of it, and the bicep carries the full arc.
The GR609 Selectorized Bicep Curl is BodyKore's dedicated bicep station. Pivoting arms produce full extension at the bottom and a complete contraction at the top, so the full muscle belly works across every rep rather than cutting the range short at either end. An 8-inch seat length adjustment lets users of different heights position the elbow correctly against the machine pivot point, a detail that matters because a misaligned elbow shifts load off the bicep and into the joint. The 220 lb weight stack upgrades to 340 lbs, giving the machine a ceiling high enough for advanced lifters who have outgrown standard home gym curl setups.
For strict bicep work built around free weights, the G257 Signature Series Preacher Curl Bench is the other major option in this category. At a 45-degree tilt, the bench pins the upper arms against the pad, making it physically impossible to use the back or shoulder to cheat the weight up. The preacher position also lengthens the bicep at the bottom of the curl more than a standing or seated variation does, producing a deeper stretch and a stronger growth stimulus. Pair the G257 with a barbell, EZ curl bar, or dumbbells from BodyKore's free weights category and the combination becomes one of the more effective bicep setups available at any price point.
Triceps account for roughly two-thirds of the upper arm's total muscle mass. Most lifters concentrate on the bicep side, but it is the tricep development that actually adds size to the arm. The muscle has three heads: the long head runs along the inner back of the arm and responds best to overhead movements; the lateral head is the outer visible head, hit by pushdowns and dips; the medial head fires in nearly every elbow extension movement. Covering all three requires at least two different exercise patterns.
The GR610 Tricep Extension is BodyKore's dedicated tricep station. Pin-loaded resistance keeps weight changes fast and the movement path consistent, so each set reproduces the same joint angle and elbow position. That consistency accumulates volume without grinding the elbow joint down over weeks of training. The machine targets the lateral and medial heads through a controlled pushdown-style arc, producing the contracted, squeezed feel that is hard to match with cables at heavy loads. On a commercial floor, a dedicated tricep extension station sees daily use from beginners who are not yet strong enough to dip, intermediate lifters working on arm definition, and advanced users who need an isolation finisher at the end of a push session.
On a fully equipped commercial floor with unlimited space, separate bicep and tricep stations make obvious sense. For home gyms and compact studio setups, a single machine that covers both is the more practical buy.
The GR634 Bicep/Tricep Combo switches from bicep curl to tricep extension through a simple arm rotation, no weight change or station change required. The frame sits at 30 degrees for precise biomechanical positioning, and the extra-wide arm pad accommodates different body builds while keeping the shoulder from drifting into the movement. Three range-of-motion adjustments on each exercise side let lifters dial in the arc that suits their arm length. The 6-position adjustable seat with back support locks the user in place so isolation stays true across every rep. A 220 lb stack handles most users from beginner through intermediate; lifters who regularly curl or press past 100 lbs per side will eventually want a standalone dedicated station.
For a home gym that trains arms seriously but lacks the floor plan for two separate stations, the GR634 is the clean answer. On a boutique commercial floor or hotel gym, it does the same job: isolated bicep and tricep training from one compact footprint.
The G257 Preacher Curl Bench earns its place by removing the two most common ways lifters cheat curls: body swing and elbow drift. With the upper arms pinned against the angled pad, the weight has nowhere to go through a bicep that is doing the full job. The 45-degree tilt loads the muscle at a longer length at the bottom of the movement, a position that research consistently connects to stronger hypertrophic responses compared to training the muscle only in its shortened or mid-range position.
The G257 is a free weight bench rather than a pin-loaded machine, so it works with any barbell, EZ curl bar, or dumbbell pair from the user's existing kit. That keeps the price accessible for home gym buyers and gives commercial operators flexibility, as the bench works with the barbells they already own. Set it in a corner next to a weight tree or a free weight rack and the result is a complete bicep isolation station without a dedicated machine footprint.
Pull-ups and chin-ups produce some of the strongest bicep contractions in upper body training. Dips hit the triceps as directly as any cable pushdown. Both are genuinely hard movements for most gym members, particularly beginners, clients returning from injury, and anyone whose bodyweight-to-strength ratio has not yet reached the point where unassisted reps are possible.
The GR636 Chin/Dip Assist addresses this with a selectorized counterweight stack. The user kneels on the padded lever, selects an assistance weight, and the stack offloads exactly that much from their bodyweight, making each rep manageable by a precise, measurable margin. A beginner at 200 lbs assisting 80 lbs trains the movement at an effective bodyweight of 120 lbs. As strength builds, the assistance drops in small increments until the member completes full unassisted reps. That measurable progression turns the GR636 into something most machines never achieve: it actively coaches members toward a harder version of the exercise rather than keeping them on a fixed load.
The machine's folding arms transition between chin-up position (supinated grip, stronger bicep involvement) and dip position (parallel grip, stronger tricep and lower chest involvement) without the user leaving the station. The knee pad lever supports up to 220 lbs. Built on an 11-gauge steel frame rated to hold over 1,000 lbs, with a 220 lb assistance stack upgradable to 340 lbs, the GR636 accommodates even the heaviest members at a workable starting point. On busy commercial floors it consistently ranks among the highest-utilisation machines in the upper body section, bridging a gap that a chin-up bar or lat pulldown machine alone cannot fill.
For gyms that want a pure bodyweight dip and chin station without the assistance mechanism, the CF2110 Chin Dip Tower is the right choice. It provides parallel dip handles and chin-up grips on a freestanding frame for members training unassisted. Both stations work well side by side on a commercial floor, the CF2110 for members already doing clean reps, the GR636 for those building toward them.
Cable machines bring something to arm training that fixed machines cannot match: constant tension across the full arc. With a dumbbell curl, tension peaks in the mid-range and drops off at the top and bottom of the movement. With a cable curl, the stack pulls against the muscle the entire time, through full contraction and full extension. That sustained load is a meaningful driver of muscle growth, particularly for volume work at the end of a session.
Cable systems also open up angles that fixed machines cannot reach. A low pulley lets the cable run behind the body for a curl variation that pre-stretches the bicep before the rep starts. A high pulley handles pushdowns and rope extensions for the lateral and medial tricep heads. A high pulley with the user facing away from the stack loads the tricep long head in its fully lengthened position during an overhead extension. No single fixed machine covers those four setups. A cable does.
The G502 Cable Crossover is the full-size commercial cable cross in the BodyKore lineup, extending 150 inches wide with dual 220 lb stacks and multiple grip points. For arm training, the high pulley handles tricep pushdowns and rope pushdowns; the low pulley covers cable curls and hammer curls. Overhead extensions work when the user faces away from the machine. On a commercial floor the G502 typically handles chest fly and crossover work alongside arm isolation, reducing the total number of dedicated stations a floor needs.
For home gyms and studio setups where a full crossover frame is too large, the MX1161 Functional Trainer covers the same arm training in a more compact station. Dual adjustable pulleys and dual 220 lb stacks (rated for over 1,000 lbs total) handle every cable arm exercise: curls, hammer curls, reverse curls, pushdowns, overhead extensions, and cable kickbacks, plus the full range of chest, back, shoulder, and leg exercises that a dedicated arm machine cannot touch. For a lifter who wants a single station covering arm isolation, functional training, and compound cable work, the MX1161 is the answer.
The MX1162 Universal Trainer takes the functional trainer concept further by adding a counterbalanced Smith machine and a vertical leg press, making it BodyKore's most complete all-in-one system.
A quality utility bench converts free weight arm exercises into more precise isolation tools. Seated dumbbell curls on a CF2102 Utility Bench or G202 Utility Bench cut out leg drive and trunk lean, forcing a stricter curl. Incline dumbbell curls, where the lifter reclines on an inclined bench and curls from a fully extended position behind the body, produce one of the deepest stretches on the bicep long head available with free weights. Skull crushers on a flat bench load the tricep long head in the overhead stretched position, which most dedicated tricep extension machines cannot reach.
Both the CF2102 and G202 fit alongside the arm machine stations in the category. For lifters who prefer free weight arm training, they bring the same commercial-grade construction as the selectorized machines without the added machine footprint.
The GR602 Lat Pulldown lives in the back category, but it belongs in any honest arm training conversation. The lats generate the primary pulling force on a pulldown. The biceps function as the key secondary mover and are working hard on every rep. Many arm-focused training programmes schedule lat pulldown sets on arm days precisely because bicep volume accumulates fast across a back and arms session. On a circuit-style commercial floor, the GR602 pairs naturally with the GR609 bicep curl, letting members hit compound pulling followed by isolated curling inside the same station pairing.
Home gym arm setups are almost always constrained by two things: floor space and budget. Most home gym owners do not need dedicated bicep and tricep machines running side by side. One or two pieces covering both efficiently is the more practical target.
The most versatile single-machine answer is the MX1161 Functional Trainer. Cable curls, pushdowns, overhead extensions, and hammer curls are all available from the adjustable pulleys, alongside chest, back, shoulder, and leg exercises from the same station. For a lifter building a well-rounded home gym rather than a dedicated bodybuilding setup, this is usually the right starting point. Add a G257 Preacher Curl Bench for strict barbell curls and two pieces cover the full arm isolation picture without a third or fourth machine.
For lifters who want a dedicated arm machine with pin-loaded simplicity, the GR634 Bicep/Tricep Combo is the clean call. One machine covers both exercises off a 220 lb stack, and the footprint fits a garage or spare room alongside a bench and a rack. Pair it with a GR636 Chin/Dip Assist for bodyweight work and the combination covers the full arm training picture in two machines.
Financing is available across the arms lineup. Monthly payments start as low as $21 per month on the G257 preacher bench and scale up by model and term, making commercial-grade arm equipment more reachable than the sticker prices suggest.
A commercial arm section needs to serve three distinct populations at once: beginners who need guidance, intermediate lifters accumulating volume, and advanced users chasing progressive overload. No single machine does all three equally well.
A well-stocked commercial arm zone typically includes a dedicated GR609 Bicep Curl for isolated bicep work, a dedicated GR610 Tricep Extension for isolated tricep pushdown work, a GR636 Chin/Dip Assist for members building toward unassisted pull-ups and dips, and a cable crossover or functional trainer for the high-volume arm finisher work that experienced members prefer at the end of a session.
For facilities with constrained arm training space (boutique studios, hotel gyms, corporate fitness centres), the GR634 Bicep/Tricep Combo replaces the GR609 and GR610 in a single footprint. A shared machine at peak hours is the trade-off, but for lower-traffic environments the GR634 handles the full arm training workload from one frame.
Adding a G257 Preacher Curl Bench in a corner with an EZ curl bar covers every major bicep training pattern. Positioning a GR602 Lat Pulldown nearby means members build secondary bicep volume through their back training as well, which reduces the total machine count needed to develop the upper arm fully.
BodyKore also offers full gym solutions for commercial buyers, with layout consultation, financing, and installation handled as part of the package. For a full upper body section spanning chest, back, shoulders, and arms, the turn-key path is faster than sourcing each machine independently.
Arm machines work best placed at the end of a training session. Biceps carry fatigue from rows and pulldowns. Triceps carry it from pressing. Adding isolation volume on top of compound work creates a cumulative stimulus greater than isolation alone. On a push/pull split: compound pressing first, then GR610 or cable pushdowns for triceps; on pull days, rows and pulldowns first, then GR609 or cable curls on the MX1161.
For training specifically aimed at arm size, the rep range that research consistently supports for bicep and tricep isolation sits between 10 and 20 reps per set, with a controlled lowering phase of 2 to 3 seconds on the eccentric. Selectorized machines like the GR609, GR610, and GR634 suit this protocol well. The pin makes it fast to reduce the weight and extend a set at the top, and the guided movement path keeps form consistent as the muscle fatigues near the end of a set.
Every machine in the BodyKore arms category shares the same construction baseline. Frames are 11-gauge steel rated to hold over 1,000 lbs. Finishes are electrostatic powder coat for corrosion resistance. Weight stacks are precision-milled selectorized plates. Pulley cables on machines like the GR609 are rated to 2,000 lbs tested, with fiberglass-reinforced nylon pulleys and sealed ball bearings. The GR636 knee pad lever supports up to 220 lbs of user weight.
These specifications matter in commercial environments where machines run eight to fourteen hours a day under heavy load. The warranty covers the frame for life and parts and upholstery for five years. Machines ship LTL freight from BodyKore's California warehouse in 3 to 14 business days for in-stock items.
Arm training works as the finishing layer on a well-built upper body programme. Compound pressing through chest equipment builds tricep strength. Compound pulling through back machines builds bicep strength. Shoulder machines round out the deltoid development that makes the arm look complete from every angle. Arm isolation machines then add the final volume that compound work alone cannot produce.
For a complete upper body section, pair the arm category with a seated row machine for pulling work, and a chest press or cable crossover for pressing work. That covers the upper body without overlap.
The GR634 combines bicep curl and tricep extension on one rotating frame, suited to home gyms and lower-traffic commercial setups where one footprint needs to serve both exercises. The GR609 and GR610 are standalone selectorized stations, one dedicated entirely to bicep curls and one to tricep extension, so there is no sharing or switching on a busy floor. Facilities with the space typically run all three.
Both produce comparable muscle growth when effort and volume are matched. Machines have one clear advantage for arm isolation: they remove momentum and body swing, so the target muscle handles the full load. Cable machines add constant tension across the complete range of motion, which free weights cannot provide at the top and bottom of a curl or pushdown. The most effective arm programmes use both, pairing machine isolation with free weight compound work rather than treating them as competing approaches.
Yes. Set the assistance stack to zero and the GR636 becomes a standard unassisted dip and pull-up station. For advanced users, it also supports loaded negative reps: the user lowers slowly under full bodyweight with the stack providing no help, one of the most demanding loading patterns available for triceps and biceps. The 220 lb assistance stack upgrades to 340 lbs, which means even heavier users can find a workable starting point and progress from there.
The MX1161 Functional Trainer covers all major cable arm exercises: bicep curls from the low pulley, hammer curls with a rope attachment, reverse curls, cable overhead tricep extensions from the high pulley, rope pushdowns, single-arm pushdowns, cable kickbacks, and skull crusher variations using a straight bar on the low cable. Both pulleys adjust independently, making it possible to run a superset (one arm curling from the low pulley, the other pressing down from the high pulley) without changing the weight or moving between stations.
The G257 Preacher Curl Bench costs significantly less than a selectorized bicep machine and delivers a stricter curl for most lifters. If the home gym already has a barbell and plates or an EZ curl bar from the free weights section, the G257 is a high-value addition. It is compact, easy to move around the gym floor, and it converts existing free weight kit into more precise isolation work.
Yes. Monthly installment options are available across the arms lineup. Payments start as low as $21 per month on the G257 preacher bench and scale up based on the machine and term. Financing details are listed on each individual product page.
BodyKore ships LTL freight from a California warehouse. In-stock items typically arrive in 3 to 14 business days. Machines are palletised and arrive boxed or crated and unassembled, with installation videos available at bodykore.com/installation-videos.
