Radio Raceline Terra Disc Pro XL

$1499.99

In Stock

The Radio Raceline Terra Disc Pro XL is a pro-level 21.25" BMX frame built for taller street, park and ramp riders. Durable chromoly construction, 20" wheel compatibility and disc-brake-ready versatility.

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Product Details

Overview & Technology

Radio Raceline's Terra Disc Pro XL (SKU 921551, MPN 100002463) is a purpose-built BMX frame with a 21.25" top tube to suit taller riders who want the clearance and leverage of an XL platform while keeping the nimble handling of a 20" wheel setup. Available in classic Black and eye-catching Vampire Red, the frame ships at 8.4 lb and arrives in compact packaging (41.25" x 8.2" x 12.2"), ready for build-up. The Terra Disc Pro XL is engineered around performance-focused materials and construction: a heat-treated 4130 chromoly main triangle and reinforced chainstays deliver stiffness where it counts while keeping weight reasonable. The geometry balances pop, stability, and flick—ideal for street lines, park laps, and ramp sessions.

Key Features & Construction

Robust chromoly construction: The frame uses 4130 chromoly tubing in the main triangle and chainstays for toughness against repeated landings and grinds, with reinforced junctions at the head tube and dropouts to resist deformation. Disc-ready versatility: The Terra Disc Pro XL includes rear disc brake mounts for riders who want modern stopping power; it also supports traditional U-brake setups for park purists. Thoughtful touches—like internally gusseted areas and a clean weld finish—improve strength and longevity without adding unnecessary bulk.

Fit, Compatibility & Practical Details

Designed for 20" wheel setups: The frame is built around 20" wheels and standard BMX componentry. With a 21.25" top tube, it gives taller riders more room to stand and whip while maintaining a predictable center of gravity for tricks and transitions. Component compatibility: The Terra Disc Pro XL is compatible with common BMX parts—standard seatpost sizes, typical headset options, and a rear axle layout that accepts most sealed-bearing hubs and modern disc rotor standards. Note: headset, seatpost, stem, fork, and axle hardware are sold separately.

Who It's For

The Terra Disc Pro XL is aimed at taller BMX riders who want the modern features of a pro-level frame—disc brake compatibility, reinforced chromoly construction and an XL geometry that improves stability on big gaps and technical lines. Whether you ride street, skatepark or ramp, this frame gives extra room without making the bike feel sluggish. If you’re upgrading from a standard 20.5" or 20.75" top tube and need more clearance for taller stature or bigger tricks, the Terra Disc Pro XL is a practical, durable choice that builds into a long-lasting park or street rig.

Key Features

✓ 21.25" top tube optimized for taller BMX riders and big tricks
✓ Built from heat-treated 4130 chromoly for strength and impact resistance
✓ Disc-brake-ready rear mounts while supporting traditional U-brakes
✓ Designed for 20" wheel setups with predictable park and street handling
✓ Reinforced head tube and dropouts for durability under heavy use
✓ Clean welds and gusseting for long-term frame integrity
✓ Available in Black and Vampire Red finishes
✓ Ships compact at 8.4 lb — SKU 921551, MPN 100002463

Specifications

Frame Size	21.25''
Color	Vampire red
Primary Color	Red
Wheel Diameter	20''

Product Identifiers

Vendor Item #	100002464
EAN	4055822547901

Frequently Asked Questions

What material is the Terra Disc Pro XL made from?

The Terra Disc Pro XL is constructed from heat-treated 4130 chromoly in the main triangle and chainstays, giving a balance of toughness and weight savings suitable for repeated impacts, grinds and technical riding.

Will this frame fit my 20" wheels and standard BMX components?

Yes. The frame is built around 20" wheel setups and is compatible with common BMX parts, including standard seatposts and headsets. It accepts typical sealed-bearing hubs and modern rotor standards for disc brakes. Headset, fork, axle hardware and other small parts are not included.

Does the Terra Disc Pro XL come with brake mounts for disc brakes?

Yes. The frame includes rear disc brake mounting points for riders who prefer a disc setup, while remaining compatible with traditional U-brake configurations for park-focused builds.

What size rider is the XL frame best suited for?

With a 21.25" top tube, the Terra Disc Pro XL is ideal for taller riders or anyone seeking additional room to stand up, plant their feet and generate leverage on big tricks. Riders upgrading from standard-length frames (20.5"–20.75") will notice extra stability.

Is hardware or a headset included with the frame?

No. The frame ships as a frame-only product. You will need to purchase headset bearings, a fork, stem, seatpost, seat, cranks, bottom bracket, wheels, and braking hardware separately to complete your bike.

How much does the frame weigh and what are the shipping dimensions?

The Terra Disc Pro XL ships at approximately 8.4 lb in packaging sized 41.25" x 8.2" x 12.2". Actual built weight will depend on the components you select during assembly.

Buying Guide

When choosing a BMX frame, prioritize fit and intended use first: XL top tubes (21"+) give taller riders more room and stability for big airs, while shorter tubes favor quick spins and tighter combos. Look for durable materials—4130 chromoly is the gold standard for frames that need to survive grinds and hard landings. Decide whether you want disc-brake capability or a traditional U-brake setup; the Terra Disc Pro XL supports both, letting you modernize braking without sacrificing classic park functionality. Finally, plan your component list before purchase to ensure compatibility and avoid surprises at build time.

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