Fit Bike Co 2026 Series One BMX Bike (LG) (20.75″ Toptube) (Black)

Fit Bike Co 2026 Series One BMX Bike Description:

A true classic that keeps getting better, the Fit Bike Co 2026 Series One BMX Bike honors its roots while stepping up with modern updates. Originally launched as Fit’s first-ever frame in 2000, the Series One remains a rider favorite thanks to its timeless design and dialed-in feel. For 2026, it features a lighter S1 frame and fork, a precision CNC machined integrated headtube, and a fully sealed front hub for smoother performance and lasting durability. Available in three top tube lengths, each with matched bar and crank sizing, the Series One is built to fit your style—whether you’re just starting out or keeping the tradition alive.

Find other toptube sizes and color options here:

Specifications:

• Frame: Chromoly front triangle (20.75″ TT)
• Fork: Chromoly steerer tube, welded insert (33mm offset)
• Headset: Integrated, sealed
• Stem: Fit top load
• Bars: 2-piece (9″ rise) (29″ width)
• Grips: –
• Cranks: Tubular 3-piece chromoly (170mm length)
• Bottom Bracket: Mid, sealed
• Pedals: Fit PC
• Sprocket: Fit Key (25T)
• Chain: –
• Front Hub: Sealed bearings, female axle
• Rear Hub: Sealed cassette
• Driver: 9T
• Front Rim: Fit S1W
• Rear Rim: Fit S1W
• Front Tire: Fit OEM (20 x 2.4″)
• Rear Tire: Fit OEM (20 x 2.4″)
• Seat: Padded seat/post combo
• Seat Post: Alloy (200mm)
• Seat Clamp: –
• Brake Lever: Two-finger lever
• Brakes: U-brake with low-tension spring, linear cable
• Gyro: –
• Gyro Tabs: Drilled (Not included)
• Brake Mounts: –
• Extras: –
• Color: Black
• Weight: –

Geometry:

• Toptube Length: 20.75″
• Chainstay Length: 13.11″
• Headtube Angle: 75.5°
• Seattube Angle: 71°
• Bottom Bracket Height: 11.8″
• Standover: 8.8″
• Recommended Sizing Guide: 5’6″ – 6′

Popular Accessories:

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 August 22, 2025