Price History for Martin Wheel Inner Tube with Straight Valve Stem 18x850-8in. Fits 18x850/18x950/20x800-8in. Tires Model# T858K
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Martin Wheel Inner Tube with Straight Valve Stem 18x850-8in. Fits 18x850/18x950/20x800-8in. Tires Model# T858K
This Martin Wheel Inner Tube with a straight valve stem is ideal for low-speed applications.
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Aug 1, 2026 | $31.14 |
| Jul 31, 2026 | $29.58 |
| Jul 24, 2026 | $31.14 |
| Jul 18, 2026 | $32.98 |
| Jul 16, 2026 | $31.14 |
| Jun 22, 2026 | $22.99 |
| Jun 19, 2026 | $24.99 |
| Jun 10, 2026 | $37.92 |
| Jun 2, 2026 | $31.14 |
| Apr 24, 2026 | $24.99 |
| Jan 24, 2026 | $26.99 |
| Dec 28, 2025 | $26.99 |
| Dec 4, 2025 | $26.99 |
| Nov 30, 2025 | $26.99 |
Analysis
Martin Wheel Inner Tube with Straight Valve Stem 18x850-8in. Fits 18x850/18x950/20x800-8in. Tires Model# T858K price analysis
Price analysis for Martin Wheel Inner Tube with Straight Valve Stem 18x850-8in. Fits 18x850/18x950/20x800-8in. Tires Model# T858K at Walmart: Today's price is $31.14. Current price is 3% above the 90-day average of $30.34 (a $0.80 above the running mean).
- Currently listed at $31.14, which is $4.15 above the original MSRP of $26.99.
- Current price is 3% above the 90-day average of $30.34 (a $0.80 above the running mean).
- The lowest recorded price on PriceWatchPro was $22.99 on June 22, 2026. That's $8.15 below today's price.
- The highest recorded price on PriceWatchPro was $37.92 on June 10, 2026. Today's price is $6.78 below that peak.
- 30-day trend: essentially flat (less than 1% movement).
- Across 13 tracked price changes, the listing has dropped 5 times with an average drop of $4.07.
- PriceWatchPro has been tracking this listing since November 30, 2025 (251 days of price history).
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Snapshot
Martin Wheel Inner Tube with Straight Valve Stem 18x850-8in. Fits 18x850/18x950/20x800-8in. Tires Model# T858K shopping snapshot
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