Lefty Golf Club | Golf Clubs

Introducing the new "TRTL Putter," a new frontier in high moment of inertia, featuring a distinctive body structure and four weights for unparalleled stability.
■ A replacement for the current Odyssey model.
The "TRTL Putter" has a head size similar to the JAILBIRD MINI, neither too big nor too small, providing players with a good balance of maneuverability while maintaining a high moment of inertia in all directions, including the flight path and the toe-heel direction. There is likely to be a high potential demand for this type of putter on tour and in the market, but Odyssey's last similar type was the TEN series, which debuted in 2021, so this putter fills a gap in their current lineup.
■The hexagon in the middle is the shell, and the legs are around it.
The "TRTL Putter," as its name suggests, is inspired by the "TURTLE," incorporating the latest tour and market trends into both its performance and design. The high moment of inertia putter's characteristic behavior, which produces a relaxed tempo and stable stroke, mirrors the slow, powerful movement of a turtle. Even on mishits, the head movement remains stable, leading to a consistent roll.
■ High moment of inertia achieved through materials and sole weight
The high moment of inertia of the "TRTL Putter" and "TRTL Square 2 Square Putter" is achieved through the optimal placement of head materials and four weights mounted on the sole. The head design expresses the "turtle-like" characteristics along with functionality, with a hexagonal design in the center that resembles a shell. In order to achieve a high moment of inertia, it is important to place weight as close to the outer edge of the head as possible, so lightweight materials are used for the central hexagonal section and the sole plate. On the other hand, stainless steel is placed on the outer edge, which resembles the limbs, making the outside of the head heavier and achieving high stability. Furthermore, the hexagonal shape, which is structurally superior in strength, is adopted for the central section where lightweight materials are used in order to increase durability and rigidity. In addition, the four corners are equipped with four sole weights, a first for ODYSSEY. By placing two heavy weights at the rear and two light weights at the front, a high moment of inertia design is achieved through a deep center of gravity, achieving a high level of balance between stability and operability. The weight distribution extending to the four corners not only enhances performance but also serves as an iconic design element unique to TRTL putters, reminiscent of a turtle's limbs. While the standard configuration includes two heavier weights at the rear and two lighter weights at the front, the weight positions can be swapped to adjust the center of gravity towards a shallower, heel-biased, or toe-biased profile. Furthermore, various weights of different weights are available separately, allowing for fine-tuning to suit individual player preferences.
■The New Ai-STAR insert delivers stable roll and a powerful feel.
The "TRTL Putter" and "TRTL Square 2 Square Putter" are equipped with the newly developed Ai-STAR insert. The Ai-STAR insert is an improved version of the Ai-DUAL insert, which has a two-layer structure combining two types of resin with different hardnesses to produce stable roll and further enhance the feel. In addition to a firmer feel and a higher, more pleasant sound, it has the characteristic of generating solid ball speed even with a smooth stroke by increasing the Impact Ratio. To achieve this performance, the Ai-STAR insert follows the structure of the original Ai-ONE insert, which combines resin on the surface and aluminum on the back. It achieves a high level of balance between a soft feel and energy transfer performance. In particular, it is highly compatible with the TRTL putter, which is easy to stroke with a relaxed tempo due to its high moment of inertia design, and a major feature is that you can hit the necessary distance even with a compact stroke.
■Head design that prioritizes ease of setup and a square setup.
The "TRTL Putter" and "TRTL Square 2 Square Putter" feature subtle improvements to the sole shape and alignment design, aiming to make it easier to naturally align with the target the moment you address the ball. The sole has less curvature than before, resulting in a more stable "sit" when it touches the ground. This makes it less likely for the face to open unnecessarily, and the design makes it easier to set up square without conscious effort. In particular, the effect is more pronounced when the green conditions are hard and fast, supporting a stable setup even on tour-level fast greens. In addition, the distinctive DUAL TRACK alignment improves visibility toward the target direction by extending two thick lines from the face to the back of the head. Combined with the stable sit, this results in a head design that is very easy to set up. Furthermore, the intersection of the two diagonal lines on the face side that enter the hexagonal design in the center of the body and the extension of the DUAL TRACK center line is designed to pass near the center of the ball when set, making it easier to naturally align your eyes and face direction. The top blade also features a clever design; instead of a completely flat shape, it has a slight curve from heel to toe. This minimizes changes in appearance caused by lie angle and slope, making it easier to set up with a consistently stable visual image.
■The shaft to be fitted is the STROKE LAB 90 shaft.
The TRTL putter lineup consists of three head types: the TRTL DB with a double-bend neck, the TRTL CH with a crank hosel, and the TRTL S with a short slant neck. All three heads are fitted with a STROKE LAB shaft, which has low torque and increases the overall moment of inertia of the putter, and weighs in the 90g range. The TRTL DB is available in 32, 33, and 34 inches, while the TRTL CH and TRTL S are available in 33 and 34 inches.

Introducing the new Spider ZT MAX, a significantly larger zero-torque putter.
The Spider ZT MAX putter boasts a larger head size than the Spider ZT series, resulting in a deeper center of gravity and improved forgiveness. Furthermore, the adoption of a dedicated 2° offset grip minimizes the unnatural feeling associated with zero torque, even in a deep center of gravity model, allowing for a natural setup.
■Spider's unique stability: Further improvements in moment of inertia (MOI) were made possible by placing the right materials in the right places. Weights positioned at the four corners firmly secure the outer perimeter of the low-density 6061 aerospace-grade aluminum body, keeping the mass as far away from the center as possible, which suppresses twisting during the stroke and creates a head structure that keeps the face square at all times at impact.
■Redesigned Zero Torque: The shaft is inserted directly into the toe side near the center of gravity, and the combination of a 2° shaft tilt and 34mm onset naturally guides the club to a toe-up position, enabling a highly repeatable stroke. The gentle camber of the forged aluminum sole positioned behind the center of gravity improves stability and ease of setup. Furthermore, three optimized TSS weights optimize swing weight and behavior, leading to a stable stroke.
■For that one shot that gets the result.: Features the 'Pure Roll' insert, made from a composite material of Surlyn and aluminum. Not only does it provide a soft feel and sound, but the grooves, which are set downwards at a 45-degree angle, efficiently generate forward rotation (topspin) for a smooth roll. Furthermore, the upper part of the face is milled to the same width as the ball, called "True Path Alignment," which supports alignment during putting.

Zero torque + half-ball alignment keeps every putt straight.
The popular Zero Torque model now features the latest alignment technology, which clearly identifies setup errors. The Ai-DUAL Square 2 Square Half Ball Putter features a MAX-type head with a large fan-shaped rear and a white half-ball (half of a ball) alignment with a black line at the front of the top surface. The shaft is mounted just behind it at the center of gravity, maintaining a toe-up position throughout the stroke. The face, of course, features the latest Ai-DUAL insert, which combines two resins with a complex curved surface designed by AI. ■The semicircle's combination of straight and curved lines creates a significant effect: The Ai-DUAL Square 2 Square Half Ball Putter can be considered the zero torque version of the Ai-DUAL Half Ball Putter. Of course, the half-ball alignment is also depicted at the front of the head. ■The Ai-DUAL Insert features two types of urethane resin: a soft surface and a hard interior for hitting the ball. As the "Ai" in the name suggests, the insert was designed by AI. However, unlike the Ai-ONE Insert and Ai-ONE Titanium Insert, this insert is made entirely of urethane resin, featuring a two-layer structure with a soft resin surface that strikes the ball and a hard resin interior. ■ An insert that not only stabilizes ball speed but also generates more forward spin: The boundary between the two resin layers of the Ai-DUAL Insert has a complex, winding shape, similar to the back of the Ai-ONE Insert. This was developed by AI with a focus on imparting spin to the ball, as well as the performance of the Ai-ONE Insert, which stabilizes ball speed regardless of impact. ■ Isosceles triangle-shaped grooves also contribute to excellent forward spin roll: The Ai-DUAL Insert's newly adopted FRD (Forward Roll Design) grooves also contribute to excellent roll. ■ Achieves a feel and sound closer to the WHITEHOT Insert: The Ai-DUAL Insert also takes further consideration of feel and sound. The Ai-DUAL Insert is made entirely of urethane resin, providing a soft feel and a sound closer to the White Hot Insert than the Ai-ONE Insert. ■The Ai-DUAL Square 2 Square Half BALL Putter comes with a MAX type head with a large fan-shaped rear. This head is paired with an all-steel STROKELAB shaft in black, weighing in at around 120g. As with previous models, it offers low torque and increases the putter's overall moment of inertia. The grip is noteworthy. It features the S2S Reverse Taper 2.0 OS Grip, which has a triangular cross-section and gradually thickens from the grip toward the head.

The half ball (half of a ball) makes it easy to see any misalignment. A new type of circular alignment has been born.
Odyssey's circle-based alignment system introduces a completely new type. The new Ai-DUAL Half Ball putter uses a single ball cut in half, rather than lining up multiple balls like the 2-BALL. The combination of curved and straight lines, including the black line in the center, effectively allows you to easily identify the alignment of the face relative to the ball and the target at address. ■The significant effect of the straight and curved semicircle: The Ai-DUAL Half Ball putter stands out from other models the moment you set up. This is due to the half ball, as its name suggests, painted on the front of the head. This is a new alignment system introduced by Odyssey. The semicircle, with its straight front and curved back, makes it easier to sense misalignment between the face and ball when set up than a perfect circle. By aligning the ball with the center alignment line, you can achieve even more accurate setup. ■ Two types of urethane resin: a soft surface that hits the ball and a hard interior: As the "Ai" in the name suggests, the Ai-DUAL Insert was designed by AI. However, unlike the Ai-ONE Insert and Ai-ONE Titanium Insert, this insert is made solely of urethane resin, with a two-layer structure: a soft surface that hits the ball and a hard interior. ■ An insert that not only stabilizes ball speed but also generates more forward spin: The Ai-DUAL Insert's two-layer resin has a complex, winding shape, similar to the back of the Ai-ONE Insert. This was developed by AI with a focus on not only the performance of the Ai-ONE Insert, which stabilizes ball speed regardless of where the ball is hit, but also the spin imparted to the ball. The Ai-DUAL Insert is designed to generate stable forward spin (clockwise rotation) regardless of where the ball is hit, such as on the top or bottom of the face. ■ The isosceles triangle-shaped grooves also contribute to excellent forward spin and roll: The Ai-DUAL insert's newly adopted FRD (Forward Roll Design) grooves also contribute to excellent roll. ■ Achieves a feel and sound closer to the WHITEHOT insert: The Ai-DUAL insert has been further designed with feel and sound in mind. Made entirely of urethane resin, the Ai-DUAL insert offers a softer feel and is designed to produce a sound closer to the WHITEHOT insert than the Ai-ONE insert. ■ The lineup includes two CRUISER-type putters. The putter length is 38 inches. While the standard CRUISER model was only available in right-handed models, the JAILBIRD is now available in left-handed models. The Ai-DUAL Half BALL CRUISER Putter is limited in quantity and cannot be customized.