Tour B RX vs Srixon Star XV
The Tour B RX is a three-piece with 320 dimples, low with driver, medium with short iron spin golf ball; the Srixon Star XV is three-piece with 338 dimples, medium with driver, high with short iron spin. According to the official list they differ in covers, dimples, driver spin, short-iron spin. Both are on the R&A and USGA List of Conforming Golf Balls effective until 6 October 2026.
Side by side, what the list says
| Tour B RX | Srixon Star XV | |
|---|---|---|
| Construction | three-piece | three-piece |
| Covers | double cover | single cover |
| Dimples | 320 | 338 |
| Driver spin | low | medium |
| Short-iron spin | medium | high |
| Manufacturer | Bridgestone Sports Co. Ltd. | Sumitomo Rubber Industries, Ltd. |
| Country | Japan | Japan |
| Colours on the list | white, yellow, black | yellow, white |
| Entries on the list | 11 | 9 |
Data declared by each manufacturer on the List of Conforming Golf Balls (USGA and R&A). In bold, what changes from one to the other.
Where they differ
- Covers: double cover · single cover
- Dimples: 320 · 338
- Driver spin: low · medium
- Short-iron spin: medium · high
- Manufacturer: Bridgestone Sports Co. Ltd. · Sumitomo Rubber Industries, Ltd.
- Colours on the list: white, yellow, black · yellow, white
- Entries on the list: 11 · 9
Where they match
- Construction: three-piece
- Country: Japan
Which one suits you?
- With a short iron the Srixon Star XV declares more spin: it stops sooner on the green. The Tour B RX releases more on landing.
- Off the driver the Tour B RX declares less spin, which usually means more distance and a straighter flight.
- 320 dimples versus 338: that is what each manufacturer declares; the number alone does not say which flies better.
- Compression, cover material and price are not on the official list. When we have them with a source, they will appear here.
Where to buy them
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Frequently asked
How do the Tour B RX and the Srixon Star XV differ?
Covers: double cover versus single cover; Dimples: 320 versus 338; Driver spin: low versus medium; Short-iron spin: medium versus high. Data declared by each manufacturer on the official list.
Which has more dimples, the Tour B RX or the Srixon Star XV?
The Srixon Star XV: 338 dimples versus 320.
Which spins more with a short iron?
The Srixon Star XV, according to what its manufacturer declares on the official list (medium versus high).
Are both conforming for competition play?
Yes: both are on the R&A and USGA List of Conforming Golf Balls effective until 6 October 2026. For a ruling, always check the current edition of the list.