Colony Horizon 18″ BMX Bike (17.9″ Toptube) (Clear Polished)

Colony Horizon 18″ BMX Bike Description:

The Colony Horizon 18” BMX bike is built for young riders roughly 3’8″ to 4’10” tall, typically between 6 and 12 years old, who are ready to push their skills further on a bike that keeps up. With a lightweight aluminum frame and scaled geometry, the Horizon 18” delivers a responsive, stable ride that’s perfect for growing riders honing their technique before moving up to a full-size 20”. It’s light, easy to maneuver, and tough enough to handle everything from neighborhood cruising to early park sessions. Available in clean polished or vibrant orange colorways, the Horizon 18” packs serious performance into a kid-friendly package.

Specifications:

• Frame: 6061-T6 Alloy (17.9″ Toptube)   
• Fork: Hi-tensile Steel w/ Chromoly Tapered Legs 
• Headset: Integrated (1-1/8″) 
• Stem: Colony Horizon Alloy Top Load
• Bars: Colony Chromoly 2-Piece (8″ Rise) (25.5″ Wide)
• Grips: Colony Horizon
• Cranks: Colony Chromoly 3-Piece (140mm Length)
• Bottom Bracket: Sealed Mid (19mm)
• Pedals: Plastic
• Sprocket: Colony Horizon (25 Tooth)   
• Chain: KMC   
• Front Hub: Colony Sealed Alloy (3/8″ Axle)   
• Rear Hub: Colony Sealed Alloy Cassette (3/8″ Axle)  
• Driver: 9 Tooth 
• Front Rim: Alloy (Single Wall) (36 Hole) 
• Rear Rim: Alloy (Single Wall) (36 Hole) 
• Front Tire: Family (18″ x 2.1″)
• Rear Tire: Family (18″ x 2.1″)
• Seat: Colony Horizon (Railed)
• Seat Post: Alloy (27.2mm)
• Seat Clamp: Alloy 
• Brake Lever: Alloy (Short Reach) 
• Brakes: Alloy U-Brake w/ Clear Pads
• Gyro: –
• Gyro Tabs: Drilled (Not Included) 
• Brake Mounts: Welded
• Extras: –
• Color: Clear Polished
• Weight: 20 lbs 12oz

Geometry:

• Toptube Length: 17.9″
• Chainstay Length: 12″
• Headtube Angle: 75°
• Seattube Angle: 71°
• Bottom Bracket Height: 10″
• Standover: 19.3″
• Recommended Sizing Guide: 3’8″ – 4’10”

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 July 21, 2025