Flybikes SIERRA 18" Custom RHD Flat Black
The Sierra bike is designed to be our best 18" bike. From a replication of the Sergio Layos signature frame just adapted to fit perfectly on 7 to 12 year old riders with the full range of supported bike parts to get a complete top-range 18’’ machine straight out of the box.
If you purchase a bike through our e-shop, it is shipped partially assembled in the original manufacturer’s box and needs to be adjusted and checked before use. We recommend following our setup guide. If you buy the bike in our showroom, we’ll hand it over fully assembled and tuned, and we’ll also include a free post-sale service inspection. This inspection must be carried out within one month of purchase.
| Frame material: | Full 4130 CrMo / Heat treated HS, BB / Invest Casting Heat Treated Dropouts / EBS brake system |
| Top tube: | 18.7” |
| Head tube: | 75º |
| Seat tube: | 71º |
| Chainstay: | 12.2” |
| Standover: | 8” |
| BB height: | 10.5” |
| Fork: | Flybikes Volcano 18" / Full 4130 CrMo / 1 Piece Steerer Tube CNC / Heat Treated dropouts |
| Handlebar: | Flybikes Sierra |
| Material: | Full 4130 CrMo |
| Handlebars rise: | 8" |
| Handlebars width: | 26” |
| Backsweep: | 10º |
| Upsweep: | 2º |
| Grips: | Flybikes Ruben II Mini / 130mm Long |
| Stem: | Flybikes Volcano S 25mm Rise / 45mm Reach / CNC Machined / 6061-T6 Aluminum |
| Headset: | Flybikes Volcano 15 / Sealed Bearing / CNC Machined / 6061-T6 Aluminum |
| Brake lever: | None |
| Brake: | None |
| Brake hardware: | ESB (Not included) |
| Cranks: | Flybikes Dolmen 155mm |
| Bottom Bracket: | Flybikes Spanish / Sealed Bearing |
| Pedals: | Flybikes Ruben Graphite / Nylon - Fiberglass Compound |
| Chain: | Flybikes Tractor / 4130 CrMo Heat Treated / Hollow Pins Chromium Treatment / 64 Links |
| Sprocket: | Flybikes Tractor / CNC Machined / 6061-T6 Aluminum / 25T |
| Driver: | 9T |
| Front hub: | Trebol Male Axle / Sealed Bearing / 3/8” / 36H |
| Rear hub: | Trebol Cassette 14mm. Male Axle / Sealed Bearing / 36H |
| Front rim: | Trebol / Semi double wall / 6061-T6 Aluminum / 36H |
| Rear rim: | Trebol / Semi double wall / 6061-T6 Aluminum / 36H |
| Front tire: | Flybikes Fuego 18" x 2.20" / 60 TPI / 65 PSI |
| Rear tire: | Flybikes Fuego 18" x 2.20" / 60 TPI / 65 PSI |
| Seat: | Flybikes Aire Tripod / 100% Synthetic Leather / 7 mm Thickness |
| Seat post: | Fly Tripod / CNC Machined / 6061-T6 Aluminum / 135 mm Long |
| Seat clamp: | integrated |
| Pegs: | None |
| Colour: | Red |
| Wheels size: | 18" |
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