Cult Biggie Frame (Green/Brown) (Alex Kennedy Colorway)

Cult Biggie Devon Smillie Signature Frame Description:

The Cult Biggie Frame is Devon Smillie's signature frame and is sure to step up your tech game. With a short rear end, steep head tube and a taller stand over, this frame is designed to feel stable while quick and responsive. The frame is built with 100% Cult classic tubing, top and down tube gussets for strength while also using integrated chain tensioners for convenience. The s-bend chainstays provides room for some beefy tires. Available now in Alex Kennedy's Green/Brown Colorway.

Features:

• Devon Smillie Signature Frame
• Made from 100% Cult classic tubing for increased strength
• Top and down tube gussets
• Investment cast seatpost clamp and seatstay bridge
• S-bend chainstays with room for 2.40” tires
• Tapered seatstays with removable brake mounts
• Investment cast heat-treated dropouts w/chain tensioner
• Alex Kennedy Colorway Green / Brown

Specifications:

• Frame Material: 4130 Chromoly
• Headset Type: Integrated (Campy)
• Gyro Tabs: Drilled (Not included, available here)
• Brake Mounts: Removable (Not included, available here)
• Bottom Bracket Type: Mid
• Seatpost Size: 25.4mm
• Seat Clamp: Integrated
• Dropouts: 14mm
• Color: Green/Brown
• Weight: 5 lbs 11 oz (20.75")

Geometry:

• Toptube Lengths: 20.5", 20.75", 21", 21.25", 21.5", 21.8"
• Chainstay Length: 12.9" - 13.2"
• Headtube Angle: 75.5°
• Seattube Angle: 70°
• Standover Height: 9.65"
• Bottom Bracket Height: 11.7"

Top your new frame off with fresh bearings. Find an integrated headset here.

Get a new bottom bracket kit here!

Confused by all that geometry? Check out our video below explaining BMX frame geometry and how it affects the feel of a bike.

This product was added to our catalog on August 19, 2025