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Shimano 6-Bolt Disc Brake Rotor - SM-RT66

Marsoni M251S
Sale price$45.99
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Get it in 3 business days with 1 day shipping. Friday, May 29
Shimano 6-Bolt Disc Brake Rotor - SM-RT66Improve braking performance with the Shimano 6 Bolt Disc Brake Rotor (SM RT66) Experience unparalleled braking performance with the Shimano 6 Bolt Disc Brake Rotor (SM RT66), a vital component designed for passionate cyclists who demand the best in safety and efficiency. Optimized for all riding conditions, the SM RT66 model is part of the acclaimed SLX M7000 series, which guarantees top tier performance and reliability. Key Features and Benefits
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
Based on 101 reviews
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Kkellz
West Palm Beach, US
★★★★★ 5
Quality, and comfy
True size, gives you the right support. Comfortable material and fits perfectly. Would recommend the value for the money is worth it.. good quality.. variety colors..
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Reviewed in the United States on February 18, 2026
K
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Kindle Customer
Battle Creek, US
★★★★★ 5
Comfortable
Size: Medium, Color: Set-unbl
Soooo comfy
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Reviewed in the United States on May 7, 2026
J
Verified Purchase
Jessica Martin
Fort Morgan, US
★★★★★ 4
Could be longer in the legs but that’s my preference
Size: X-Large, Color: Set-un2
Very comfortable just wish they were a little longer
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Reviewed in the United States on February 25, 2025
T
Verified Purchase
toolittletravel
Lake Worth, US
★★★★★ 5
Perfect for my body and fit preference, plus COTTON
Size: X-Large, Color: Set-unbl
Update: Different color packs fit differently. I've purchased two packages, one all-black and one black with the colorful waistbands. The all-black are a little smaller. IMO the all-black run a half to a full size small, and the black with the colorful waistbands run true to size. Listen, all of our bodies and preferences are so different, but these are perfect for my body and my fit preference. They hit at my bellybutton and I would describe the length as short-boyshorts, but not hipsters. Most importantly, they're cotton, which my body reacts much better to these days.
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Reviewed in the United States on February 13, 2026
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Verified Purchase
Tat Phoenix
Carnegie, US
★★★★★ 5
Good quality
Size: Medium, Color: Set-unbl
They fit perfectly and seem well made
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Reviewed in the United States on February 22, 2026

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