Radio Raceline Terra Disc Pro XXL

$1499.99

In Stock

The Terra Disc Pro XXL is a 21.75" top-tube BMX frame built from heat-treated 4130 chromoly with disc-brake compatibility and 20" wheel clearance. XL geometry gives taller riders extra stability for street, park, and ramp riding.

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Product Details

Overview & Technology

Radio Raceline's Terra Disc Pro XXL is engineered for riders who need an XL platform without sacrificing the strength and responsiveness of a modern chromoly frame. The 21.75" top tube (XXL sizing) spreads the rider position out for improved leverage and stability on big grinds, big airs, and fast transitions. Construction uses heat-treated 4130 chromoly in the main triangle and rear stays with TIG-welded joints and reinforced gussets at high-stress areas. The frame's disc-ready rear dropouts and post-mount interface deliver consistent braking power, while the stout headtube area maintains steering precision under heavy landings.

Key Features

Purpose-built BMX components and real-world benefits: • 4130 Chromoly Tubing: Durable and fatigue-resistant material that balances weight and toughness for street and park abuse. • TIG-Welded, Reinforced Joints: Extra gusseting and precision welds in the headtube and dropouts reduce stress cracks and improve impact tolerance. • Disc Brake-Ready Rear End: Post-mount boss accepts rear disc brakes for consistent modulation in all conditions. • XXL 21.75" Top Tube: Long reach for taller riders, better leverage on big tricks and more stable high-speed runs. These features combine to give an XL frame that stays light enough for technical moves while standing up to heavy use.

Fit & Compatibility

The Terra Disc Pro XXL is built around standard BMX component sizes and 20" wheels. The 21.75" top tube is designed for riders who find modern midsize frames too cramped — ideal for 5'9" to 6'3" riders depending on riding style and preference. Wheel diameter compatibility: 20". While Radio Raceline supplies a robust frame shell, it accepts common BMX headsets, stems, and cranks. The rear dropout area is designed for disc brake calipers and standard BMX axle spacing; the frame works with most sealed-bearing hubs, tires, and drivetrain setups used in contemporary freestyle and street builds.

Who It's For

The Terra Disc Pro XXL is aimed at taller freestyle and street riders who want an XL geometry frame that can handle aggressive abuse. If you push big gaps, prefer long grind platforms, or simply want a roomier cockpit for technical combos, this frame is built to deliver durability and control. It's equally at home under park riders who need extra stability on ramps and transitions and street riders who demand a rugged frame that pairs well with disc braking for reliable stopping power during contest runs or urban sessions.

Key Features

✓ 21.75" XXL top-tube for taller riders and extra stability
✓ Heat-treated 4130 chromoly main triangle and rear stays
✓ TIG-welded construction with reinforced headtube gussets
✓ Post-mount disc brake-ready rear dropouts
✓ Optimized for 20" wheels and modern BMX components
✓ Available in Black and Vampire Red finishes
✓ Manufacturer Part #: 100002465, Product #: 921552

Specifications

Frame Size	21.75''
Color	Vampire red
Primary Color	Red
Wheel Diameter	20''

Product Identifiers

Vendor Item #	100002466
EAN	4055822547925

Frequently Asked Questions

What wheel size does the Terra Disc Pro XXL fit?

The Terra Disc Pro XXL is designed for standard 20" BMX wheels. Its rear triangle, tire clearance, and geometry are all optimized for 20" setups commonly used in freestyle, park, and street riding.

What material is the frame made from?

The frame uses heat-treated 4130 chromoly tubing in the main triangle and rear stays. 4130 chromoly is widely used in BMX for its excellent strength-to-weight ratio and resistance to fatigue from repetitive impacts.

Is the frame disc brake compatible out of the box?

Yes — the Terra Disc Pro XXL features post-mount bosses on the rear dropout area for mounting a rear disc caliper. This gives you consistent braking performance, especially useful in contested runs or wet urban sessions.

What rider height is this XXL frame best for?

With a 21.75" top tube, the Terra Disc Pro XXL suits many riders in the approximate 5'9" to 6'3" range, depending on personal cockpit preference and riding style. Taller riders or those who prefer a stretched-out position will appreciate the extra reach.

What components will I need to build this frame?

You’ll need a compatible headset, stem, fork, 20" wheelset, crankset, seatpost and saddle, and (if desired) a rear disc brake setup. The frame accepts standard BMX components; choose sealed-bearing hubs and durable spokes for a long-lasting build.

What are the shipping dimensions and weight?

The product ships in a box sized 41.5" x 8.4" x 12.5" with a total shipping weight of 7.5 lb. That includes protective packaging for safe transit.

Buying Guide

When choosing an XXL BMX frame, prioritize geometry that matches your height and riding style. The top tube length dictates reach and leverage: 21.75" on the Terra Disc Pro XXL gives taller riders more control and room for technical moves. Match the frame with a quality 20" wheelset and sealed-bearing components to preserve the frame's durability. Consider your brake preference — the Terra Disc Pro is disc-ready, so decide whether to run rotor-based hydraulics or a mechanical disc based on maintenance comfort. Finally, measure your intended cockpit (stem length, handlebar rise) before purchasing to ensure a comfortable and responsive build.

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