Choosing the right shaft is a key part of optimizing a driver for distance, accuracy, and consistency. The five shafts below represent a range of mid to low launch and stiff to extra-stiff options, designed to fit a variety of swing speeds and tempos. Each shaft is listed with its notable specs, including weight, tip diameter, and flex, to help you match a shaft to your swing. Use this guide to compare performance characteristics and find the best driver shaft for your game.
| Product | Brand | Tip Diameter | Weight (g) | Flex | Launch / Spin |
|---|---|---|---|---|---|
| SK Fiber Supernova 60 | SK Fiber | 0.335″ | 66 | X | Mid Launch / Mid Spin |
| Acer Velocity Black | Acer | 0.335″ | 68 | Regular/Stiff | High Launch |
| SK Fiber Hypersonic | SK Fiber | 0.335″ | 67 | Regular/Stiff | Mid-Launch |
| Old Town Golf HZRDUS Black | Old Town Golf | 75 | Extra Stiff | Low to Mid Launch | |
| TRUE TEMPER HZRDUS Smoke | TRUE TEMPER | 0.335″ | 70 | 6.0 (Stiff) | Low to Mid Launch |
SK Fiber Supernova 60 Driver Shaft

SK Fiber’s Supernova 60 blends premium materials with a refined layup. The design uses 40-ton high-modulus aerospace-quality carbon fiber to help increase ball speeds and tighten dispersion. The mid-launch, mid-spin profile is aimed at delivering a balanced feel and stability across a range of tempos. Weighing about 66 grams in X flex, this shaft is suited to players with faster swing speeds seeking consistency and control. The 0.335″ tip diameter aligns with standard drivers that accommodate this size, and SK Fiber emphasizes versatility with multiple weights and flexes to precisely match a player’s speed and tempo. The result is a shaft that emphasizes stability without sacrificing feel, making it a strong option for aggressive hitters who still value accuracy.
- 40-ton high modulus carbon fiber for speed and dispersion control
- Mid-launch / mid-spin for stability and feel
- 66 g weight in X flex; 0.335″ tip diameter
- Available in various weights and flexes to match swing
Acer Velocity Black Driver Shaft

The Velocity Black combines a 0.335″ tip with a 6” parallel tip section and a 0.595″ butt diameter, designed to produce a high launch trajectory. It weighs about 68 grams and comes in Regular and Stiff flex options, offering flexibility for a wide range of swing speeds. With a 46″ length and about 6 degrees of torque, this shaft aims to provide a stable feel and responsive feedback through the swing. It is intended for drivers and fairway woods, making it a practical choice for players seeking more height and a forgiving, elevated ball flight while maintaining control at impact.
- 0.335″ tip; 6″ parallel tip; 0.595″ butt
- Weight around 68 g; 46″ length
- Regular/Stiff flex; High launch angle
SK Fiber Hypersonic Driver Shaft

The Hypersonic is listed as a raw, uncut shaft that does not include a grip or adapter. It features a 0.335″ tip diameter with a 4.7″ parallel tip section and a 0.600″ butt diameter. The shaft runs 46″ long with a torque of 4.4 degrees and weighs about 67 grams. Because it ships uncut, players can tailor the final length to their driver and preferred grip. This configuration can be advantageous for players who want a custom fit and precise swing weight, balancing stability and feedback for mid-to-mid-high launch players who seek a pure graphite feel without added components.
- Raw, uncut shaft; grip and adapter not included
- 0.335″ tip; 4.7″ parallel section
- 0.600″ butt; 46″ length; 4.4° torque; 67 g
Old Town Golf HZRDUS Black Driver Shaft

The Old Town Golf HZRDUS Black Driver Shaft arrives with grip and adapter installed for Taylormade compatibility. It is listed at 75 grams and is categorized as Extra Stiff (flex designation 6.5). The combination of low to mid launch and a firmer feel makes this option suitable for players who generate higher swing speeds and prefer a stable, penetrating ball flight. The HZRDUS line is known for its stability and reduced dispersion, delivering consistent performance across a range of driving conditions.
- Grip and adapter installed for Taylormade models
- Weight about 75 g; 6.5 (Extra Stiff) flex
- Low to mid launch with stable feel
TRUE TEMPER HZRDUS Smoke Driver Shaft

The TRUE TEMPER HZRDUS Smoke line offers models in multiple colors and flex options, including Smoke Black, Smoke Green, and Smoke Yellow. The example here lists a 70 g weight with a 6.0 stiffness (Stiff), and an uncut length of 46″ with an adaptor option for standard driver length. This shaft is designed to work with a broad set of TaylorMade models (SLDR, R1, JetSpeed, RBZ, M1, M2, M3, M4, M5, M6, Sim, Sim2, Stealth, etc.), emphasizing low spin and stable performance for players seeking consistent, penetrating flight at higher swing speeds. The color variants help players choose a visual cue for their setup while maintaining performance characteristics.
- Multiple models and flex options (5.5–6.5 range)
- 70 g; 6.0 stiffness (Stiff)
- Uncut 46″ or adapter-equipped; TaylorMade compatibility
Buying Guide
Weight and Swing Speed
The weight of a driver shaft influences how quickly you can accelerate the clubhead and how much control you retain through impact. Lighter shafts (around 60–70 g) can help increase clubhead speed for players with moderate to high swing speeds, potentially boosting distance. Heavier shafts (70–75 g and above) tend to provide more stability and tighter dispersion for faster swingers. When selecting a shaft, consider your current swing speed, tempo, and whether you prioritize higher swing speed or tighter accuracy on off-center strikes.
Flex and Feel
Flex choices—from Regular to Extra Stiff—affect loading and unloading through the swing. A stiffer shaft (6.0–6.5 and above) tends to lower launch and spin, promoting a more penetrating ball flight, while a more flexible option can yield higher launch and more feel. The five shafts above include a mix of Regular, Stiff, and Extra Stiff designs. To optimize performance, players often test multiple flexes with a launch monitor or in a fitting session to determine which combination yields the best balance of distance and accuracy for their swing tempo.
Launch and Spin Profiles
Launch angle and spin rate are shaped by shaft stiffness, weight, and tip dynamics. Mid-launch shafts generally deliver a balanced trajectory with consistent spin, while high-launch options can increase carry but may require precision to manage dispersion. Low-launch shafts typically deliver more roll and stability at impact, which benefits fast swingers seeking penetrating trajectories. The shafts listed here include mid-to-low launch tendencies, with some models leaning toward higher launch depending on swing dynamics.
Tip Diameter and Compatibility
All five shafts target a 0.335″ tip diameter, the most common size for modern drivers. This makes installation straightforward for most drivers, but verify compatibility with your head and adapter system before purchase. Some shafts may be sold uncut or require adapters; uncut versions allow a personalized final length but require precise cutting and gripping for optimal performance.
Length, Weight, and Feel
Driver shafts are typically offered around 46″ in length, with the option to cut down to fit your swing and preferred grip. Final length changes weight slightly and can alter swing weight. If you’re fitting for a specific driver model (for example, a Taylormade or other brand), ensure the adapter size and grip are compatible with your existing setup. A fitting session can help calibrate length, swing weight, and feel to maximize distance and accuracy.
Brand and Support
Brand reputation can reflect consistency in manufacturing, warranty policies, and update cycles. Reputable brands in this list—SK Fiber, Acer, TRUE TEMPER, and Old Town Golf—offer established product lines and active support for fittings and replacements. When choosing a shaft, consider the availability of replacement components (grips, adapters) and the ease of obtaining replacements if needed.
Performance Summary
For players seeking mid-launch stability with a balance of feel and distance, the SK Fiber Supernova 60 and Hypersonic provide robust graphite performance with modern carbon layups. The Acer Velocity Black focuses on a higher launch trajectory with a versatile Regular/Stiff option, suitable for players who want more height without sacrificing control. The Old Town HZRDUS Black and TRUE TEMPER HZRDUS Smoke offer low-to-mid launch with strong stability, making them attractive to players who swing fast and want to minimize dispersion. A proper fitting session remains essential to select the best match for your unique swing profile.