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Description
Fly Proton CST BMX BikeWhat set the Proton apart from the Neutron are a 100% CrMo frame, fork and bars, including Fly's fork with integrated cone shape design. One improvement that will make many people happy are the aftermarket Fuego tyres and nylon hub guards that are included this year. ###section### Product Specs FRAME MATERIAL: FULL 4130 CRMO WHEEL SIZE: 20" TOP TUBE LENGTH: 21" CHAIN STAY LENGTH: 13. 2" HEADTUBE ANGLE: 75 SEAT TUBE ANGLE: 71 FORKS: INTEGRATED CONE
What set the Proton apart from the Neutron are a 100% CrMo frame, fork and bars, including Fly's fork with integrated cone shape design. One improvement that will make many people happy are the aftermarket Fuego tyres and nylon hub guards that are included this year.###section###
Product Specs
- FRAME MATERIAL: FULL 4130 CRMO
- WHEEL SIZE: 20"
- TOP TUBE LENGTH: 21"
- CHAIN STAY LENGTH: 13.2"
- HEADTUBE ANGLE: 75°
- SEAT TUBE ANGLE: 71°
- FORKS: INTEGRATED CONE SHAPE DESIGN / FULL 4130 CRMO / 1 PIECE STEER TUBE
- BARS: FULL 4130 CRMO
- STEM: TREBOL TOP LOAD / FORGED / 6061-T6 ALUMINUM / 50MM
- HEADSET: INTERNAL SEALED BEARING
- BRAKE MOUNTS: Removable
- BRAKES: TREBOL SPRINGHANGER / FORGED / 6061 T-6 ALUMINUM
- FRONT HUB: TREBOL MALE / SEALED BEARING / 10MM MALE AXLE / 36H
- FRONT RIM: TREBOL / DOBLE SIDE WALLED / 6061-T6 ALUMINUM / 36H
- REAR HUB: TREBOL MALE CASSETTE / SEALED BEARING / 14MM MALE AXLE / 36H / 9T
- REAR RIM: TREBOL / DOBLE SIDE WALLED / 6061-T6 ALUMINUM / 36H
- TYRES: FLY FUEGO 2.30 FRONT & REAR / 60 TPI / 120 PSI
- SPROCKET: TREBOL / CNC MACHINED / 6061-T6 ALUMINUM / 25T
- CRANKS: TREBOL 3PC / 4130 CRMO / 170 MM ARM LENGTH
- BB: MID / SEALED BEARING
- PEDALS: FLY RUBEN GRAPHITE / NYLON - FIBERGLASS COMPOUND
- SEAT: FLY PROTON TRIPOD / 100% SYNTHETIC LEATHER / 25 MM THICKNESS
- GEARING: 25/9
- WEIGHT: 24.6lbs
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Product Highlights
- Longer top tube is great for taller riders who need a bit more room (6ft / 180cm plus)
- A great all rounder suitable for any type of riding
- Sealed bearings throughout
- Strong and durable double walled rims
- Fitted with high-quality aftermarket components
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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- To process your return/exchange, please contact us at [email protected]
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4.5 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
It works!
Size: 60 Count (Pack of 1)
Life Extension melatonin seems to work well. I’ve found that 1mg is as effective as the 3mg doses of other brands. I take 1mg every evening, as so does my German Shepherd. It helps us sleep through the night. We chose this brand because it’s clean and simple.
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Reviewed in the United States on November 17, 2025
★★★★★ 5
It works
Size: 60 Count (Pack of 1)
Helped me sleep
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Reviewed in the United States on May 6, 2026
★★★★★ 5
history of Babylon
Format: Paperback
really good book full of history, highly recommened
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Good Summary of the Known History
Format: Kindle
Excellent gathering of the available truths and myths into one easy to understand summary. Great view into the ancient past of man.
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Reviewed in the United States on August 2, 2022
★★★★★ 5
The Babylonian Empire and the History of Mesopotamia
Format: Kindle
This is a very, very good book on the History of Mesopotamia. The people of Babylon came up with quadratic equations and trigonometry. They kept a log of the position of the planets, of meteor showers, sun rise and sun set, solar and lunar eclipse. The first ruler of Babylon, Hammurabi, came up with "Hammurabi's Law Code" which was written on a stelae and placed where all could read it. The Babylonian doctors wrote the first book on medicine. Back then doctors did not have hospitals to treat patients, patients were either treated at home or they would go to a clinic where doctors could treat them and several other patients overnight.
The Babylonians created a city that became a pilgrimage destination with many temples. The architecture of the famed "hanging gardens" and several other "world wonders" were all located in Babylon, which aided in making the city a place worth travelling to.
So many first happened in Babylon that the best way to find all of it out is by reading the book, which I highly recomend, you will not be disappointed.
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Reviewed in the United States on June 1, 2022