# ProKennex Black Ace 300g 2025 vs Volkl Vostra V9 305g 2024 Scores calculated from the specs ([how we calculate](https://racquetrank.com/us/methodology/)). Reference prices from stores, checked every day. ## Racquets in the comparison 2 racquets Tennis - [Black Ace 300g 2025 ProKennex](https://racquetrank.com/us/tennis/prokennex/black-ace-300g-2025/) - [Vostra V9 305g 2024 Volkl](https://racquetrank.com/us/tennis/volkl/vostra-v9-305g-2024/) Search racquets Highlight differencesHide identical Best in row Different Same | 2 racquetsLowest price | Black Ace 300g 2025 ProKennex RR Score 66 out of 100, RR Score No offers right now | Vostra V9 305g 2024 Volkl RR Score 69 out of 100, RR Score No offers right now | | | --- | --- | --- | --- | | 2 racquetsHighest RR Score: Vostra V9 305g 2024 Volkl (69). | #1ProKennexBlack Ace 300g 2025 ProKennex RR Score 66 out of 100, RR Score No offers right now | #2VolklVostra V9 305g 2024 Volkl RR Score 69 out of 100, RR Score No offers right now | | | --- | --- | --- | --- | | Where to buy | | | | | All offersReference price · we may earn a commission from these links | No offers right now | No offers right now | | | RR Score | | | | | RR Score | RR Score 66 out of 100, RR Score | RR Score 69 out of 100, RR Score | | | Dimensions | | | | | Weight unstrung | No data | 305 gunstrung (manufacturer) | | | Weight strung | 318 g | 323 gstrung (Tennis Warehouse) | | | Head size | 100 in² | 100 in² | | | Length | No data | 27 in | | | Balance point | No data | 330 mmstrung (Tennis Warehouse) | | | Swingweight | No data | 316strung (Tennis Warehouse) | | | Construction | | | | | Stiffness (RA) | No data | 65 RA | | | String pattern | 16x19 | 16x19 | | | Frame thickness | No data | 21/23/21 mm | | | Material | No data | Red Cell and graphite | | | Offers summary | | | | | Lowest price | No data | No data | | ## Other tennis comparisons - [ProKennex Black Ace 300 2025 vs ProKennex Black Ace 300g 2025](https://racquetrank.com/us/compare/tennis/prokennex-black-ace-300-2025-vs-prokennex-black-ace-300g-2025/) - [Volkl Vostra V10 320g 2024 vs Volkl Vostra V9 305g 2024](https://racquetrank.com/us/compare/tennis/volkl-vostra-v10-320g-2024-vs-volkl-vostra-v9-305g-2024/) - [Volkl Vostra V8 300g 2024 vs Volkl Vostra V9 305g 2024](https://racquetrank.com/us/compare/tennis/volkl-vostra-v8-300g-2024-vs-volkl-vostra-v9-305g-2024/) - [Volkl Vostra V10 Junior vs Volkl Vostra V9 305g 2024](https://racquetrank.com/us/compare/tennis/volkl-vostra-v10-junior-vs-volkl-vostra-v9-305g-2024/) - [Volkl Vostra V2 2024 vs Volkl Vostra V9 305g 2024](https://racquetrank.com/us/compare/tennis/volkl-vostra-v2-2024-vs-volkl-vostra-v9-305g-2024/) - [Volkl Vostra V4 2024 vs Volkl Vostra V9 305g 2024](https://racquetrank.com/us/compare/tennis/volkl-vostra-v4-2024-vs-volkl-vostra-v9-305g-2024/) - [Volkl Vostra V8 Junior vs Volkl Vostra V9 305g 2024](https://racquetrank.com/us/compare/tennis/volkl-vostra-v8-junior-vs-volkl-vostra-v9-305g-2024/) - [HEAD Extreme MP A Graphene XT vs Volkl Vostra V9 305g 2024](https://racquetrank.com/us/compare/tennis/head-extreme-mp-a-graphene-xt-vs-volkl-vostra-v9-305g-2024/) - [Volkl Vostra V9 305g 2024 vs Wilson Burn 100S V6](https://racquetrank.com/us/compare/tennis/volkl-vostra-v9-305g-2024-vs-wilson-burn-100s-v6/) - [ProKennex Black Ace 300g 2025 vs Wilson Pro Staff Precision 100 2020](https://racquetrank.com/us/compare/tennis/prokennex-black-ace-300g-2025-vs-wilson-pro-staff-precision-100-2020/) - [ProKennex Black Ace 105 2025 vs ProKennex Black Ace 300g 2025](https://racquetrank.com/us/compare/tennis/prokennex-black-ace-105-2025-vs-prokennex-black-ace-300g-2025/) --- Source: https://racquetrank.com/us/compare/tennis/prokennex-black-ace-300g-2025-vs-volkl-vostra-v9-305g-2024/