Sunday Siemon Forecaster 20.75″TT BMX Bike-Gloss Black W/Purple Rims

The Sunday 2021 Siemon Forecaster 20.75″TT BMX Bike-Gloss Black W/Purple Rims is a model that rides, feels and looks like a pro-level bike.

This is Alec Siemon’s signature bike. You’ll find other Sunday Signature spec’d design cues like the Sunday Seeley Grips, combined with incredible parts like an Odyssey Clutch v2 Freecoaster hub, Odyssey Twisted Pro pedals, and Path Pro tires.

A truly dialed bike for every style of riding.

Highlights

• 4-piece handlebars
• Odyssey Clutch v2 Freecoaster
• Sealed Front and Rear Hubs
• Sunday Lightning Rims
• Removable Brake Hardware
• Sunday Seeley Signature Grips
• Odyssey Twisted Pro Pedals
• Sunday Freeze Top Load Stem
• Odyssey Springfield Brakes and Lever
• Odyssey Path Pro OEM 2.40″ Tires
• Sunday Badge Pivotal Seat
• FSA Conical Headset

Specifications

• Frame: 20.75″ top tube, integrated 1-1/8″ head tube, chromoly down tube and dropouts, removable brake hardware
• Fork: Sunday Forecaster, 20″ fork w/ 2-piece chromoly steerer tube and welded pre-load
• Handlebar: Sunday, 2-piece
• Stem: Sunday Freeze front load, 48mm
• Headset: FSA integrated conical, 1-1/8″
• Alloy Cap: Sunday M16, aluminum
• Brake Lever: Odyssey Springfield
• Brakes: Odyssey Springfield U-brake
• Brake Cable: Odyssey Quik Slic
• Grips: Sunday Jake Seeley
• Seat: Sunday Badge, Pivotal
• Seat post: Sunday Pivotal
• Seat Clamp: Sunday
• Sprocket: Sunday Sabertooth v2, 25T, steel
• Cranks: 170mm, 3-piece, chromoly
• BB Parts: Sealed, Mid, 19mm
• Pedals: Odyssey Twisted PC Pro
• Rims: Sunday Lightning, 20″, 36H
• Front Hub: Sunday, 36H, low-flange, sealed , 3/8″ female axle
• Rear Hub: Odyssey Clutch v2 freecoaster, 36H, 14mm female axle w/ 9T driver, RHD, non-drive side plastic guard
• Spokes: 14g steel, black
• Tires: Odyssey Path Pro OEM, 20 x 2.4″ (F & R)
• Chain: KMC Z1 wide
• Approx. Weight: 26.78lbs (with brakes)

Frame Geometry

• Top Tube Length: 20.75″
• Head Tube Angle: 75.5°
• Seat Tube Angle: 71°
• Chainstay Length: 13.2-13.5”
• Bottom Bracket Height: 11.7″
• Standover: 9″

Handlebar Geometry

• Rise: 9″
• Width: 29″
• Backsweep: 12°
• Upsweep: 3°