Description
⭐ Condition Excellent overall condition with only minor cosmetic wear. Minor surface scratch on drive side seat tube (top) and repainted chain rub area on drive side chainstay – both very typical for a well-loved frame. Paint finish remains glossy and vibrant. This frame has been cared for and is ready for its next adventure.
Note: Frame has personalized engravings underneath – “AVANT” near BB and “CO454760969” on downtube, likely added by previous owner.
📏 Will this fit me? Frame Size: 18″ – Medium
- Top Tube: 56cm (center-to-center)
- Seat Tube: 18″ (top-to-center)
- Down Tube: 62cm (center-to-center)
- Chainstays: 43cm (center-to-center)
📦 What’s Included
- Trek 6000 aluminum frame in excellent condition
- Tange Butted BIG FORK CR-MO (915g/2lbs) with threaded steerer
- Front and rear cable stops installed
- Seatpost clamps and water bottle screws
🏆 The Story Behind the Frame
Trek Aluminum Mountain Frame – Serial #720686 – Brilliant Blue Finish
This mid-1990s Trek aluminum frame represents the golden era when Trek was perfecting their aluminum welding techniques, creating frames that balanced weight, strength, and ride quality. During this period, Trek was transitioning from their sequential numbering system and developing advanced aluminum technologies, making this frame a piece of mountain bike evolution.
🚴 The Ride 6000 series aluminum delivers that distinctive lively feel – efficient power transfer with just enough give to smooth the rough edges of trail riding. This frame geometry strikes the perfect balance between climbing efficiency and descending confidence. It’s more than just a bike frame – it’s a ticket back to the era when mountain biking was about pure adventure.
🔧 Workshop Wisdom The threaded steerer tube on the Tange fork makes maintenance simple – no compression plugs or star nuts to worry about. Classic engineering that just works.
Before You Buy – A Note from Paul Every frame I sell has been personally inspected and honestly described, but I want you to be 100% confident in your decision. Please take a moment to watch the detailed video included with this listing. Due to the personal nature of frame fit and the cost of shipping, I cannot accept returns. That’s why I encourage you to reach out to me directly with any questions, whether they’re about dimensions, condition, or build suggestions. I’m Paul – not a chatbot, not a sales team, just a fellow cyclist who wants to make sure this frame finds the right home. Let’s talk about this frame and make sure it’s perfect for you before you buy.
🔧 What do I need to build this frame? (Please contact me if you need anything here)
- Headset: Threaded 1-1/8″
- Bottom Bracket: 68mm Shell / English threaded BSA
- Seatpost: 27.2mm
- Front Derailleur: 35.4mm clamp, top pull
- Brakes: Cantilever center pull
- Stem: 1-1/8″ quill
- Rear spacing: 130mm
- Wheel clearance: 26″ wheels with generous tire clearance
📋 Other Frame Details
- Material: 6000 series aluminum with E9 certification
- Weight: Frame 1890g (4.2lbs), Fork 915g (2lbs)
- Classic mid-90s Trek geometry optimized for trail riding
- Vibrant blue finish that has aged beautifully
- Quality American mountain bike craftsmanship from Trek’s aluminum era
Is This Your Bike Thing? This Trek aluminum frame captures the spirit of mid-90s mountain biking when trails were adventures and every ride was a discovery. Ready to build your perfect trail companion?





















