United Rooftop 20.8" Complete Bike - Chrome
United Rooftop 20.8" Complete Bike - Chrome
The United Rooftop Chrome BMX Bike is a high-quality freestyle BMX built for riders who want strength, style, and performance. Designed with a durable cromo frame and precise geometry, this chrome BMX is ready to take on street, park, or ramp riding with ease. Packed with reliable United components, it offers the perfect balance of control, durability, and smooth handling—making it an ideal BMX bike for beginners and experienced riders alike.
United Rooftop Chrome BMX Bike Specifications:
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Colour: Chrome
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Top Tube: 20.5”
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Frame: Cromo top tube, removable brake mounts, integrated head tube, MID BB, CNC seat stay bridge, embossed logo down tube gusset
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Geometry: HT 75.3°, CS 12.8”, SO 8.25”, BB 11.8”, ST 71°
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Forks: Cromo steerer tube with integrated bearing race
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Handlebars: 9” x 28.5” hi-tensile steel, larger radius bends, 2.5° up sweep, 11° back sweep
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Grips: United Team grips with push-in bar ends
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Headset: United integrated sealed
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Stem: United 50mm reach front load stem with embossed United logo
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Rear Lever: Alloy
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Brake: 990 caliper with gyro rotor
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Cranks: 3pc 170mm tubular cromo, 8 spline with United printed logo
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Bottom Bracket: United sealed bearing MID
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Sprocket: 28T solid CD style with rooftop logo
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Pedals: United Supreme nylon pedals
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Chain: X410
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Rear Rim: Alloy 36H single wall
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Front Rim: Alloy 36H single wall
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Rear Hub: 36H sealed United Supreme cassette hub, 14mm axle, 9T driver
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Front Hub: 36H sealed United Supreme front hub, 10mm female axle
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Rear Tyre: United Direct tyre 20” x 2.3” - 65 PSI
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Front Tyre: United Direct tyre 20” x 2.3” - 65 PSI
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Seat: United padded seat/post combo with custom sewn-on patch on rear
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Seat Post: Integrated with seat
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Seat Clamp: Alloy
Need help choosing a BMX bike or finding the right BMX parts? You’re in the right place.
Visit our BMX Guide for helpful advice on bikes, parts, sizing and compatibility. If you’re still unsure, call or email Waller BMX, or click the chat icon to speak to our knowledgeable BMX team.
Please read the following regarding availability notices on our product pages;
- Waller BMX UK Store - High/Low stock available (Ready To Dispatch in 24 Hours)
This means the item is In-stock and ready to leave the Waller BMX store the same day if ordered within business hours.
- Warehouse Locations PO, WC, GER, TN, G4, RH1, SO, CB6, TN and DL - Low/High stock available
This item is in stock at our supplier’s warehouse. Dispatch times shown on the product page are estimated and may occasionally vary depending on supplier processing times.
Please contact us for pre order dates or alternative options that do not show available or listed.
- Spend over £75 and get Free Tracked UK Delivery
- Spend over £249.99 for Free Next Day UK Delivery*
*Excludes larger bikes and certain postcodes.
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WALLER BMX - RIDER OWNED AND RUN BMX STORE IN SHEFFIELD / est 2012
Waller BMX is located in Sheffield, UK. We are lifelong riders with a passion for BMX. With knowledgable staff, we are like the riding encylopedia of BMX - Ask us anything!