The U.S. Kids Golf UL7-39 W30 Junior Driver is purpose-built to give the very youngest golfers their first great drives — creating those unforgettable moments on the course that inspire a lifelong love of the game. Part of the seventh-generation Ultralight (UL7) family, this driver has been meticulously engineered and optimised using Trackman technology to deliver maximum distance and forgiveness for players in the 39–42 in. (approx. 99–107 cm) height range. Designed for beginners and intermediate players aged approximately 3–5 years, the UL7-39 gives small golfers the right tools to develop a consistent, repeatable swing from the very first tee shot.
The UL7 driver features a completely re-engineered head shape, developed through careful aerodynamic research and testing. The refined profile slices through the air more efficiently during the downswing, reducing drag and allowing the club head to build greater speed at impact. For young players with naturally slower swing speeds, every extra mile per hour of club head speed translates directly into more distance. The result is the fastest driver U.S. Kids Golf has ever produced in the Ultralight line — giving the youngest golfers a real chance to hit long, impressive drives that build confidence and motivation to keep improving.
At 23° of loft, this driver is specifically configured for the slower swing speeds typical of very young beginners. Combined with the W30 head — which is 30% lighter than a standard driver head — the club generates a high launch angle and low spin rate that propels the ball on an optimal, distance-maximising trajectory. The lighter head also makes it far easier for small hands and developing muscles to accelerate the club through the hitting zone, producing a more fluid and natural swing motion. This combination helps players in the 39–42 in. height range achieve carry distances that feel genuinely exciting and motivating from the very first round.
The UL7-39 driver is engineered with a high moment of inertia (MOI), meaning the head resists twisting on off-centre hits and delivers more consistent results across the face. The thin face and lightweight crown work together to maximise ball speed at impact, ensuring the ball travels as far as possible even when contact is not perfectly centred. For beginner golfers who are still developing their swing consistency, this level of forgiveness makes a meaningful difference — more shots end up in play, more rallies happen, and the young player stays encouraged. The high MOI construction also helps ingrain good swing habits by rewarding a full, committed swing motion.
U.S. Kids Golf spent thousands of hours collecting launch data with TrackMan — the industry-leading ball flight measurement system — to refine every aspect of the UL7 driver. Loft, lie, head weight, shaft flex, kick-point, and grip size were all fine-tuned based on real data from young golfers to ensure the club performs optimally for developing swing speeds. This data-driven approach is what separates the UL7 from generic junior clubs: rather than simply scaling down an adult design, each parameter has been independently engineered from scratch for child-specific biomechanics. The outcome is a driver that not only maximises distance and forgiveness, but actively supports the development of proper swing mechanics and consistent technique from the earliest age.
The frequency-tuned K-Flex graphite shaft is a cornerstone of the UL7-39's performance. Specifically designed for the slowest junior swing speeds, the K-Flex profile loads and releases energy at exactly the right point in the downswing, helping the club head arrive at the ball with maximum velocity. The low kick-point promotes a higher ball flight, which is critical for slower-speed players who need loft to generate carry distance. The shaft's light overall weight also means the entire club is easy to control throughout the full swing arc — from takeaway to follow-through — encouraging a smooth, repeatable motion that forms the foundation for long-term golf development.
The UL7-39 is part of U.S. Kids Golf's renowned height-based fitting system — the most scientifically validated approach to junior club fitting available. Designed for players standing between 39 and 42 inches tall (approximately 99–107 cm) with shoes on, the club's 26 in. (66 cm) length and matched swing weight ensure the player can stand in a natural, athletic posture at address. Within each size, every element — from swing weight to shaft flex — works in harmony to optimise long-term player development and promote a consistent, repeatable swing across all clubs. Using the correctly sized club from the start prevents poor swing compensations and gives the young golfer the best possible foundation.
| Specification | Value |
|---|---|
| Model | W30 (30% lighter club head) |
| Loft | 23° |
| Lie | 56° |
| Head Volume | 250 cc |
| Head Weight | 140 g |
| Club Length | 66 cm (26 in.) |
| Shaft | K-Flex Graphite |
| Kick-Point | Low |
| Grip | Size 39, velvet rubber surface |
| Optimal Player Height | 39–42 in. (approx. 99–107 cm) |
| Recommended Skill Level | Beginner to Intermediate |
| Hand | Right Hand |
| Headcover | Not included (available separately) |
K-Flex Graphite — a frequency-tuned, ultra-lightweight graphite shaft with a low kick-point, engineered specifically for the slowest developing junior swing speeds to promote high launch and maximum distance.
Size 39 velvet rubber grip — correctly proportioned for small junior hands, with a soft velvet surface texture that provides a secure, comfortable hold and encourages proper hand placement throughout the swing.
No additional properties are available for this product.
Your review will help us and other customers when buying this product.
