Price History for microSHIFT M21 Rear Derailleur - 6 7 Speed Super Short Cage Black
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microSHIFT M21 Rear Derailleur - 6 7 Speed Super Short Cage Black
M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.Robust composite and steel con
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Aug 5, 2026 | $16.19 |
| Aug 3, 2026 | $18.24 |
| Aug 2, 2026 | $16.19 |
| Aug 1, 2026 | $18.24 |
| Jul 31, 2026 | $13.66 |
| Jul 29, 2026 | $13.98 |
| Jul 27, 2026 | $14.52 |
| Jul 23, 2026 | $16.25 |
| Jul 22, 2026 | $16.14 |
| Jul 15, 2026 | $16.25 |
| Jul 14, 2026 | $13.66 |
| Jul 11, 2026 | $16.25 |
| Jul 8, 2026 | $13.66 |
| Jun 21, 2026 | $16.25 |
| Jun 6, 2026 | $16.12 |
| May 21, 2026 | $14.52 |
| May 19, 2026 | $15.94 |
| May 7, 2026 | $13.49 |
| May 6, 2026 | $15.84 |
| May 2, 2026 | $13.49 |
| Apr 30, 2026 | $15.84 |
| Apr 23, 2026 | $13.49 |
| Jan 24, 2026 | $11.93 |
| Jan 15, 2026 | $11.93 |
| Dec 27, 2025 | $11.93 |
| Dec 24, 2025 | $11.93 |
Analysis
microSHIFT M21 Rear Derailleur - 6 7 Speed Super Short Cage Black price analysis
Price analysis for microSHIFT M21 Rear Derailleur - 6 7 Speed Super Short Cage Black at Walmart: Today's price is $16.19. Current price is 3% above the 90-day average of $15.65 (a $0.54 above the running mean).
- Currently listed at $16.19, which is $2.20 above the original MSRP of $13.99.
- Current price is 3% above the 90-day average of $15.65 (a $0.54 above the running mean).
- The lowest recorded price on PriceWatchPro was $11.93 on December 24, 2025. That's $4.26 below today's price.
- The highest recorded price on PriceWatchPro was $18.24 on August 1, 2026. Today's price is $2.05 below that peak.
- 30-day trend: trending up 18.5% from $13.66 to $16.19.
- Across 25 tracked price changes, the listing has dropped 9 times with an average drop of $1.96.
- PriceWatchPro has been tracking this listing since December 24, 2025 (225 days of price history).
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microSHIFT M21 Rear Derailleur - 6 7 Speed Super Short Cage Black shopping snapshot
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