Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 1550142
| Model year | 2015 |
|---|---|
| Brand | Specialized |
| Model | FATBOY PRO |
| Bicycle type | Fat Bike |
| Archive ID | 1550142 |
| Original MSRP | $4,200.00 |
| Colors | Gloss Hyper/Black/White |
| Sizes | S, M, L, XL |
| Frame construction | Specialized M4 Premium Aluminum, fully butted w/ smooth welds, tapered headtube, post-mount disc dropouts, 190mm rear hub spacing, replaceable alloy derailleur hanger |
|---|---|
| Frame material | Aluminum |
| Fork | RockShox Bluto RL, Solo Air spring, TurnKey damping, tapered alloy steerer, external rebound adj., 32mm alloy stanchions w/ mag lowers, disc mount, QR 15mm thru-axle for 150mm hub spacing |
| Fork material | Suspension |
| Component group | SRAM X01 |
|---|---|
| Shifters | SRAM X01,11-speed, trigger |
| Front derailleur | None |
| Rear derailleur | SRAM X01, 11-speed, carbon cage |
| Crankset | Race Face Next SL, PF30 BB, 100mm spindle, 30T, spiderless |
| Rear cogs | SRAM X1, 11-speed, 11-42 |
| Chain | KMC X11L, 11-speed, reusable Missing Link |
| Pedals | Specialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins |
| Brakes | Shimano XT, hydraulic disc, Ice Tech resin pads w/ fins, Ice Tech rotor, Shimano XT, hydraulic disc, Ice Tech resin pads w/ fins, Ice Tech rotor |
|---|
| Headset | 1-1/8" upper, 1-1/2" lower, integrated Campy style, sealed cartridge bearings, split crown race, 3.8mm cone spacer |
|---|---|
| Handlebar | Specialized, mini rise, 7050 alloy, 8-backsweep, 6-upsweep, 10mm rise, 31.8mm |
| Stem | Specialized, 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware |
| Saddle | Body Geometry mountain, hollow Cr-Mo rails, 143mm |
| Seatpost | Command Post BlackLite, alien head design, single bolt head, w/ remote adjust lever, 30.9mm, S: 100mm travel, M/L/XL: 125mm |
| Hubs | Specialized Hi Lo disc, sealed cartridge bearings, 15mm thru-axle, 150mm wide, 32h, Specialized Hi Lo disc, alloy, sealed cartridge bearings, XD driver body, 190mm wide, QR, 32h |
|---|---|
| Rims | Specialized Fatboy SL, alloy disc, single wall, 90mm wide, sleeve joint, hookless design, 32h |
| Spokes | Stainless, 2.0/1.8/2.0mm |
| Front tire | Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6", Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6" |
| Wheel size | 26 |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 5, 2026.