Ultra-lightweight hardtail (7.46 kg / 16.4 lbs)
Here is the full spec list with weights for those who are interested! It was a very precise project to get it under 7.5 kg.
Total Weight: 7460g / 16.44 lbs (Incredibly light 29er XC Build!)
| Component | Description | Weight (g) |
| :--- | :--- | :--- |
| **Frame** | Trifox SDY20 Raw Carbon (Size M, incl. UDH, axle, clamp) | 944g |
| **Fork** | Fox 32 Step-Cast Factory (incl. star nut, crown race, axle) | 1372g |
| **Drivetrain** | SRAM GX AXS with Garbaruk Cage (Black) & Jockey Wheels (Gold 12-16T) | 408g |
| **Shifter** | SRAM eTap AXS Wireless Blips Remote Shifter Buttons | *Incl.* |
| **Crankset** | E*thirteen XCX (Custom project: paint removed by hand to raw carbon, 2K clear coat) | 340g |
| **Chainring** | Gemini Rigel Forged Carbon 32T | 42g |
| **Cassette** | ZTTO SLR2 12-speed | 296g |
| **Chain** | KMC X12 TI-N Gold/Black (126 links) | 276g |
| **Bottom Bracket** | CeramicSpeed Alpha MTB BSA (30mm shaft) | 82g |
| **Brakes** | Shimano XTR BL-M9200 + BR-M9200 (2-Piston) + Titanium Bolts | 410g |
| **Rotors** | Ashima Ai2 160mm Black + Titanium Bolts | 164g |
| **Wheelset** | Elitewheels EDGE MTB Ultralight 29er, UD Raw Weave Carbon 50T | 1190g |
| **Tires** | Specialized Air Trak Flex Lite T5/T7 29x2.35 | 1234g |
| **Valves** | Barbieri Presta Carbon (45mm) + Titanium Caps | 14g |
| **Rim Tape** | Tubeless rim tape | 30g |
| **Tubeless Fluid** | Stan's NoTubes - 70ml / wheel (140ml total) | 140g |
| **Cockpit** | Darimo Epsilon Stem-Handlebar Unit (UD matte / 9° / 740mm / -12° 70mm) | 150g |
| **Headset** | Stock headset + Raw Carbon Top Cover | 63g |
| **Top Cap** | Porte Ahead Topcap UD Carbon + Titanium Bolt | 5g |
| **Grips** | Ultra light foam grips | 25g |
| **Seatpost** | Darimo T1 Loop Carbon (UD matte / black) | 91g |
| **Saddle** | RYET Carbon Ultralight | 60g |
| **Pedals** | KINAN Bicycle Carbon (4 Bearings Ultralight) | 139g |
| **Bottle Cage** | Topeak Feza Carbon R10S | 12g |
| **Internal Routing** | Anti-rattle foam sleeve | 17g |
| **Modifications** | Cutoffs (trimmed brake hoses, chain links, etc.) | -44g |