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.

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Product Specs

1. FRAME MATERIAL: FULL 4130 CRMO
2. WHEEL SIZE: 20″
3. TOP TUBE LENGTH: 21″
4. CHAIN STAY LENGTH: 13.2″
5. HEADTUBE ANGLE: 75
6. SEAT TUBE ANGLE: 71
7. FORKS: INTEGRATED CONE SHAPE DESIGN / FULL 4130 CRMO / 1 PIECE STEER TUBE
8. BARS: FULL 4130 CRMO
9. STEM: TREBOL TOP LOAD / FORGED / 6061-T6 ALUMINUM / 50MM
10. HEADSET: INTERNAL SEALED BEARING
11. BRAKE MOUNTS: Removable
12. BRAKES: TREBOL SPRINGHANGER / FORGED / 6061 T-6 ALUMINUM
13. FRONT HUB: TREBOL MALE / SEALED BEARING / 10MM MALE AXLE / 36H
14. FRONT RIM: TREBOL / DOBLE SIDE WALLED / 6061-T6 ALUMINUM / 36H
15. REAR HUB: TREBOL MALE CASSETTE / SEALED BEARING / 14MM MALE AXLE / 36H / 9T
16. REAR RIM: TREBOL / DOBLE SIDE WALLED / 6061-T6 ALUMINUM / 36H
17. TYRES: FLY FUEGO 2.30 FRONT & REAR / 60 TPI / 120 PSI
18. SPROCKET: TREBOL / CNC MACHINED / 6061-T6 ALUMINUM / 25T
19. CRANKS: TREBOL 3PC / 4130 CRMO / 170 MM ARM LENGTH
20. BB: MID / SEALED BEARING
21. PEDALS: FLY RUBEN GRAPHITE / NYLON – FIBERGLASS COMPOUND
22. SEAT: FLY PROTON TRIPOD / 100% SYNTHETIC LEATHER / 25 MM THICKNESS
23. GEARING: 25/9
24. 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

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