Side-by-side comparison using independent TWU lab measurements
Aggregated spec scores
Scores calculated from TWU RA, weight, head size and string pattern.
Lab data comparison
Measurements from Tennis Warehouse University (TWU)
RA Stiffness — lower = more flex & comfort
Weight — higher = more stability
Swingweight — higher = more plow-through momentum
Choose the Pure Drive 2025 if…
Power seekers, beginners to intermediate
Medium — balanced (RA 66)
Choose the Astrel 100 if…
All-court players, intermediate to advanced
Medium — balanced (RA 68)
🎵 String strategy for each frame
These are different rackets — they deserve different string setups.
Pure Drive 2025
Balanced stiffness (RA 66). A mid-stiffness co-poly like Babolat RPM Team or Wilson Revolve at 52–56 lbs gives a comfortable all-court setup without sacrificing spin or control.
Astrel 100
Stiff frame (RA 68) with plenty of built-in power. Use a control-biased poly like Luxilon ALU Power at 54–58 lbs, or a hybrid (natural gut mains + poly crosses) for extra comfort.
⚖️ Specs Equalizer
Can I make these specs match?
To match the swingweight of the Pure Drive 2025 (SW 317), add 15g of lead tape at the 12 o'clock position on the Astrel 100. This raises its swingweight from 297 to approximately 317 kg·cm².
Still not sure?
Find which fits your specific swing
Our 2-minute quiz maps your swing speed, play style, and priorities to TWU lab data to tell you exactly which of these — or something else — is your best match.
Take the 2-minute quiz →Free · No account needed · Backed by TWU lab data