Diamondback Sorrento – Large 20" Aluminum Frame

Specs (AI researched)

• Frame: 6061‑T6 aluminum, Large 20"
• Wheels: 27.5" (650B) alloy rims
• Fork: SR Suntour M3030, ~75 mm travel
• Drivetrain: Shimano Tourney/Altus 3×7 (21‑speed)
• Crankset: 42/34/24 triple
• Brakes: Tektro linear‑pull rim brakes
• Tires: 27.5 × 2.1, zero wear

Compare this to the new mountain bikes at the local store in this price range, here’s the difference: those bikes are steel — this one is aluminum.

Aluminum matters. It’s lighter, stronger, doesn’t rust, and rides better. It’s the same material used on real trail bikes, not the heavy steel frames you see on today’s budget models. The cheapest aluminum‑frame mountain bike at Dick’s Sporting Goods right now is $349, and this Sorrento is in the same condition than anything on their floor.

Purchased new and never ridden beyond the test loop inside Dick’s Sporting Goods. Stored indoors, off the wheels, its entire life. Tires have zero wear, and all factory stickers are still on the frame. This is as close as you will get to buying a brand‑new aluminum mountain bike for $180. Why buy a heavy steel frame at your nearest bike store when you can get aluminum here? Do your research, you will know the value.

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