Sunday Forecaster BMX Bike (20.75" Toptube) (Matte Grape Soda)

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Sunday Forecaster BMX Bike Description:

The Sunday Forecaster BMX Bike is built tough and ready to perform, featuring a 100% chromoly frame, chromoly cranks, and fully sealed bearings for long-lasting reliability. Outfitted with a range of aftermarket parts from Sunday and Odyssey, this bike delivers high-level quality straight out of the box. The frame boasts modern geometry for serious riding and includes removable brake mounts for a cleaner, brakeless setup if that’s your style. Topped off with trendy 4-piece handlebars, the Forecaster doesn’t just ride smooth—it looks the part, too.

Sunday offers a model with a freecoaster, available here.


Specifications:

  • Frame: Sunday Forecaster, 100% chromoly, integrated headtube
  • Fork: Sunday Forecaster, high-tensile steel, 2-Piece chromoly steerer tube, welded preload
  • Headset: FSA Integrated Conical (1-1/8")
  • Stem: Sunday Freeze Top Load (48mm)
  • Bars: Sunday 4-Piece (9" Rise) (29" Width) (12° Backsweep) (3° Upsweep)
  • Grips: Odyssey Broc Raiford
  • Cranks: 3-Piece, chromoly (170mm Length)
  • Bottom Bracket: Sealed Mid (19mm)
  • Pedals: Odyssey Twisted PC Pro
  • Sprocket: Sunday Sabertooth V2, steel (25 Tooth)
  • Chain: KMC Z1 Wide
  • Front Hub: Sunday low-flange sealed (3/8" Female Axle)
  • Rear Hub: Sunday cassette, sealed (14mm Male Axle)
  • Driver: 9 Tooth (RHD)
  • Front Rim: Odyssey Stage 1
  • Rear Rim: Odyssey Stage 1
  • Front Tire: Odyssey Path Pro OEM (20 x 2.4")
  • Rear Tire: Odyssey Path Pro OEM (20 x 2.4")
  • Seat: Sunday Silva (Pivotal)
  • Seat Post: Sunday (Pivotal) (25.4mm)
  • Seat Clamp: Sunday
  • Brake Lever: Odyssey Springfield
  • Brakes: Odyssey Springfield U-Brake
  • Gyro: -
  • Gyro Tabs: Drilled
  • Brake Mounts: Removable
  • Extras: Odyssey Quik Slic brake cable
  • Color: Matte Grape Soda
  • Weight: 26.8 lbs

Geometry:

  • Toptube Length: 20.75"
  • Chainstay Length: 13.2" - 13.5"
  • Headtube Angle: 75.5°
  • Seattube Angle: 71°
  • Bottom Bracket Height: 11.7"
  • Standover: 9"
  • Recommended Sizing Guide: 5' 6" - 6' Rider Height

For assistance building your new bike, please check out our tech help section here for instructions and tips on how to build your bike to ensure it is safe.

Dan's Comp recommends riding with a helmet to protect that brain. Shop our selection of freestyle helmets here.

Need help finding the right bike for you? Not sure what size would suit you best? Check out our BMX buyers guide video below!

Note: To ensure that every component on your bicycle is working properly, Dan's Comp recommends that all bikes be assembled by a qualified mechanic. Improper assembly of your bicycle may lead to premature wear or failure of individual components such as headsets, crank assembly and wheels. Failure to do so may void the manufacturer warranty.

This product was added to our catalog on April 28, 2025

Complete Bike Assembly Instructions (pdf)

How To Build A Complete Bike