Fly Sierra 3 Frame
Regular price
£359.99
£299.99
Out of Stock















Fly Sierra 3 Frame
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After another amazing year for Sergio Layos, Fly have only made a few small changes to make his signature frame even better. Sergio has decided to make the move back to a 75° head tube angle, The frame features internal and external gussets, multi-butted and tapered tubing, an Investment Cast seat post clamp with the Horizontal Cut System, removable EBS style brake mounts and Investment Cast Dropouts with integrated chain tensioners!
Product Specs
- MATERIAL: 4130 Chromoly
- HEAD TUBE ANGLE: 75°
- SEAT TUBE ANGLE: 71°
- CHAIN STAY LENGTH: 13.6"
- BB HEIGHT: 11.5"
- WHEEL SIZE: 20"
- STANDOVER HEIGHT: 8.75"
- DROPOUT SIZE: 14mm
- HEADSET TYPE: Integrated
- BB TYPE: Mid
- BRAKE MOUNTS: Removable
- GYRO TABS: Drilled
- WEIGHT: 5lbs
Product Highlights
- Neutral Geometry for responsiveness and stability
- Great all round frame for all types of riding
- High-quality Chromoly construction
- Gusseted tubing for added strength
- Built in chain tensioners
Excellent product and service
Excellent product. Son very happy with his new bike. Arrived promptly after ordering.
Very quick delivery of good quality…
Very quick delivery of good quality bike. Easy to assemble and full support for any problems. Would definitely use again.
I say best place to go for bmx parts
I've always used source bmx and never had any issue with them, always helpful