


SRAM Rival 1 Rear Derailleurs
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
SRAM Rival 1 Rear DerailleursSRAM RIVAL 1, 11 SPEED REAR DERAILLEURS The SRAM Rival 1 X HORIZON rear derailleur is engineered for smooth, reliable shifting actionfrom the larger upper pulley offset to the 12 tooth X SYNC pulley wheels. By eliminating unwanted chain movement, X HORIZON shifts faster, puts an end to ghost shifting and reduces shift force and chain slap. And with CAGE LOCK technology, wheel removal and installation are easier than ever. SPECIFICATIONS Speed 11
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 3
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Color: Black
After receiving this, I see it's frequently returned. I wish I didn't buy it. It's too large for my space where I kept my previous warmer and I tried it out; it got quite hot on the bottom. Nothing great about it. I'm boxing it back up and back to the drawing board.
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Reviewed in the United States on February 1, 2026
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This coffee and tea warmer is an absolute game-changer! I work from home and love keeping my beverages hot throughout the day. This device truly lives up to its promises. It heats up incredibly quickly and maintains a consistent temperature, keeping my drinks warm for the price. I can’t find a better option, and the auto-shut-off feature is a huge plus. The temperature control is precise, and it actually performs as advertised. I highly recommend this product for its affordability, multiple temperature settings, and reliable performance. It has everything I was looking for in a coffee and tea warmer. The previous one I had worked well and had an auto-shut-off, but I kept accidentally shaking the cup, causing it to spill and melt. This one seems to be well-constructed and definitely worth the investment.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
No more cold coffee!
Color: Silver
Great price for all the nifty features - timer, auto shut-off, hot and hotter! Large button icons and digital temperature display are easy to see. My coffee and tea stay hot enough to drink without making multiple trips to the microwave because I got busy and let it get cold. New best friend!
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★★★★★ 5
i can’t believe how long i went without this
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