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Fly Bikes Proton CST 20 Inch Bike

Marsoni M251S
Sale price$343.48
Pay 4 payments of $85.87 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Fly Bikes Proton CST 20 Inch BikeThis sick rig from Fly Bikes is decked with Trebol and Fly Parts to create a shredding machine! This is the Cassette (CST) version. Clickety Clack it pedals when you go back. PROTON model is the mid range BMX Bike that performs perfectly on streets but also on ramps. A resistant bike suitable for any purpose a rider could have. 100% CrMo Frame, Fork & Bars Front & rear sealed Hubs. Pegs and Hub Guards included. 3 Piece CrMo Crankset. Removable brake
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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 2046 reviews
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VJR
Port Orchard, US
★★★★★ 5
Great non plastic shirt for exercise and daily wear
Color: Claret, Size: Large
Soft and comfortable. Breathable material for exercise. Fits well (L, 5'3",150lb). Wish it was and inch or 2 longer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
D
Verified Purchase
DMR
Whiting, US
★★★★★ 5
Super nice shirt!
Color: Black, Size: Small
I actually bought this shirt to wear under zip-up hoodies. It's super soft and cozy. It washes up great and is very durable. I just ordered two more in different colors! A great value - perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
M
Verified Purchase
M. Doyle
San Leandro, US
★★★★★ 5
Soft shirt
Color: Light Blue, Size: X-Large
Extraordinarily soft. The fit is perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
T
Verified Purchase
The O'Sullivan's
Bozeman, US
★★★★★ 5
Comfortable
Color: Claret, Size: XX-Large
The most comfortable, cool shirt I ever owned.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
T
Verified Purchase
Toni Smith
Massapequa, US
★★★★★ 4
runs a bit small
Color: Ocean Blue, Size: Large
lightweight, comfortable. However, I needed to return and by one size larger. I wanted it it for a comfy - nighttime- like PJ's kind of fit.
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Reviewed in the United States on May 6, 2026

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