Mantra Sports 13" Pilates Magic Circle Ring, Inner Thigh Exerciser, Carbon Black
- Fitness Circle
- Black
- More reviewed than 95%
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How it ranks among the 41 fitness circles we track
4.4★ across 6,997 Amazon ratings, Bayesian-smoothed toward the category average.
6,997 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
200+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 41 fitness circles we track - how the scorecard works · full fitness circles data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jul 5, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
This 13-inch Pilates Magic Circle by Mantra Sports (Model MS-PR-B-v2) is a compact and versatile fitness ring designed for home workouts. It effectively targets inner thighs, adductors, and core muscles, making it ideal for Pilates, yoga, and general strength training. The self-powered, manual resistance ring offers a portable alternative to larger Pilates reformers.
- 13-inch diameter provides comfortable resistance for inner thigh and core exercises
- Self-powered manual operation requires no batteries or charging
- Lightweight and portable design fits easily in gym bags for travel or studio use
- Durable carbon black finish resists wear from regular workouts
Specifications
| Brand | Pilates |
|---|---|
| Model | MS-PR-B-v2 |
| Color | Black |
Other Pilates fitness circles
How it compares
This product against the closest alternatives we track in fitness circles.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Mantra Sports 13" Pilates Magic Circle Ring, Inner Thigh Exerciser, Carbon BlackThis product | 4.4 / 5 | 6,997 | 4.2 / 5 |
| ProsourceFit Pilates Resistance RingProSource | 4.5 / 5 | 3,000 | 4.4 / 5 |
| ProBody Pilates 14-Inch Pilates Ring for Inner ThighsProBody | 4.5 / 5 | 9,698 | 4.4 / 5 |
| AeroPilates Magic Circle Pilates Ring with Padded Foam GripsAeroPilates | 4.6 / 5 | 936 | 4.4 / 5 |
| YXILEE Pilates Ring Set with Booty Bands & Mini Exercise BallYXILEE | 4.5 / 5 | 672 | 4.3 / 5 |
Similar fitness circles from other brands
Questions about the Pilates MS-PR-B-v2
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What size is this Pilates magic circle?
The Mantra Sports MS-PR-B-v2 has a 13-inch diameter, which is the standard size for most Pilates ring exercises.
How much resistance does the ring provide?
The resistance is manual and self-powered, depending on how much pressure you apply. It offers a moderate level suitable for beginners to intermediate users.
Is the Pilates ring suitable for use during pregnancy?
While the ring is low-impact, consult your healthcare provider before using any exercise equipment during pregnancy. The ring itself has no contraindications, but individual conditions vary.