Price History for microSHIFT M21 Rear Derailleur - 6 7 Speed Long Cage Black
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microSHIFT M21 Rear Derailleur - 6 7 Speed Long Cage Black
M21 rear derailleurs are designed to work with 6 7 8-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.Features-Robust composite and s
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Price History Chart
Recorded price history
Showing the 30 most recent of 35 recorded prices.
| Date | Price |
|---|---|
| Aug 6, 2026 | $15.82 |
| Aug 4, 2026 | $19.00 |
| Aug 2, 2026 | $15.82 |
| Aug 1, 2026 | $19.00 |
| Jul 30, 2026 | $18.99 |
| Jul 25, 2026 | $15.99 |
| Jul 22, 2026 | $18.99 |
| Jul 19, 2026 | $16.48 |
| Jul 18, 2026 | $16.31 |
| Jul 17, 2026 | $16.79 |
| Jul 16, 2026 | $18.99 |
| Jul 12, 2026 | $16.79 |
| Jul 11, 2026 | $16.96 |
| Jul 7, 2026 | $18.99 |
| Jul 6, 2026 | $16.79 |
| Jul 5, 2026 | $18.99 |
| Jul 2, 2026 | $16.79 |
| Jul 1, 2026 | $18.99 |
| Jun 30, 2026 | $18.75 |
| Jun 20, 2026 | $18.99 |
| Jun 19, 2026 | $18.94 |
| Jun 15, 2026 | $18.70 |
| Jun 13, 2026 | $18.99 |
| Jun 11, 2026 | $16.53 |
| May 30, 2026 | $18.99 |
| May 29, 2026 | $16.55 |
| May 24, 2026 | $18.99 |
| May 23, 2026 | $16.74 |
| Apr 25, 2026 | $18.99 |
| Apr 23, 2026 | $19.00 |
Analysis
microSHIFT M21 Rear Derailleur - 6 7 Speed Long Cage Black price analysis
Price analysis for microSHIFT M21 Rear Derailleur - 6 7 Speed Long Cage Black at Walmart: Today's price is $15.82. That's 7% off the MSRP of $16.95. Current price is 11% below the 90-day average of $17.81 (a $1.99 below the running mean).
- The current price of $15.82 is 7% (or $1.13) below the MSRP of $16.95.
- Current price is 11% below the 90-day average of $17.81 (a $1.99 below the running mean).
- The lowest recorded price on PriceWatchPro was $15.82 on August 2, 2026. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $19.00 on April 23, 2026. Today's price is $3.18 below that peak.
- 30-day trend: trending down 6.7% from $16.96 to $15.82.
- Across 34 tracked price changes, the listing has dropped 10 times with an average drop of $2.51.
- PriceWatchPro has been tracking this listing since December 5, 2025 (244 days of price history).
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Snapshot
microSHIFT M21 Rear Derailleur - 6 7 Speed Long Cage Black shopping snapshot
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