Bicycle Archive · Specification report

2017 Specialized Fatboy Comp Carbon

Velopedia Archive ID 900003840

Overview

Model year	2017
Brand	Specialized
Model	Fatboy Comp Carbon
Bicycle type	Mountain
Archive ID	900003840
Colors	Gloss Rocket Red/Black/Grey Fade; Satin Carbon/Warm Pearl White/Red Fade
Sizes	S; M; L; XL

Frameset

Frame construction	FACT 10m, full carbon frame, 12x197mm thru-axle rear, internal cable routing, ISCG XC tabs, suspension corrected for 100mm of travel
Frame material	Carbon Fiber
Fork	Carbon, 46mm offset, tapered steerer, 150mm axle spacing
Fork material	Carbon Fiber

Drivetrain

Shifters	SRAM X9, 10-speed, trigger
Rear derailleur	SRAM X0, long cage, 10-speed
Crankset	RaceFace Turbine Cinch crankset, alloy, 30mm spindle, direct-mount chainring, 76.5mm chainline, 11-speed
Cassette	SunRace, 10-speed, 11-42t
Chain	10-speed, EXTRA lightweight hollow outer links w/reusable Missing Link # CL559R
Pedals	Specialized Dirt Pedals

Brakes

Brakes	(F) Shimano Deore, hydraulic disc, resin pads, post mount, 160mm rotor / (R) Shimano Deore, hydraulic disc, resin pads, 160mm rotor

Cockpit & contact points

Handlebar	Specialized XC, butted 6061 alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 31.8mm
Stem	Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise
Saddle	Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
Seatpost	Specialized 2-bolt head, forged alloy, 8mm offset, micro-adjust, 30.9mm

Wheels & tires

Hubs	(F) Specialized Stout XC, alloy disc, double-sealed cartridge bearings, 15x150mm thru-axle, 32h / (R) Stout XC, disc alloy, sealed cartridge bearings, 12x148mm thru-axle, 32h
Rims	Specialized 26" disc front, 21mm depth, 86mm internal width, 32h
Spokes	Stainless, butted, 2.0/1.8/2.0mm, black
Front tire	Ground Control Fat, Control casing, 120 TPI, Aramid folding bead, 2Bliss Ready, 26x4.0"
Rear tire	Ground Control Fat, Control casing, 120 TPI, Aramid folding bead, 2Bliss Ready, 26x4.0"

Geometry · S

Seat tube	394 mm
Effective top tube	579 mm
Head tube	94 mm
Head-tube angle	70.5°
Seat-tube angle	73°
Chainstay / rear center	455 mm
Wheelbase	1088 mm
Bottom-bracket drop	60 mm
Bottom-bracket height	307 mm
Reach	395 mm
Stack	602 mm
Fork offset / rake	47 mm
Front center	640 mm
Trail	80 mm
Fork length / axle-to-crown	496 mm
Seatpost length	350 mm
Crank length	170 mm
Stem length	60 mm
Handlebar width	750 mm

Geometry · M

Seat tube	434 mm
Effective top tube	604 mm
Head tube	94 mm
Head-tube angle	70.5°
Seat-tube angle	73°
Chainstay / rear center	455 mm
Wheelbase	1113 mm
Bottom-bracket drop	60 mm
Bottom-bracket height	307 mm
Reach	420 mm
Stack	602 mm
Fork offset / rake	47 mm
Front center	665 mm
Trail	80 mm
Fork length / axle-to-crown	496 mm
Seatpost length	350 mm
Crank length	175 mm
Stem length	60 mm
Handlebar width	750 mm

Geometry · L

Seat tube	470 mm
Effective top tube	626 mm
Head tube	110 mm
Head-tube angle	70.5°
Seat-tube angle	73°
Chainstay / rear center	455 mm
Wheelbase	1135 mm
Bottom-bracket drop	60 mm
Bottom-bracket height	307 mm
Reach	437 mm
Stack	617 mm
Fork offset / rake	47 mm
Front center	687 mm
Trail	80 mm
Fork length / axle-to-crown	496 mm
Seatpost length	400 mm
Crank length	175 mm
Stem length	75 mm
Handlebar width	750 mm

Geometry · XL

Seat tube	520 mm
Effective top tube	651 mm
Head tube	125 mm
Head-tube angle	70.5°
Seat-tube angle	73°
Chainstay / rear center	455 mm
Wheelbase	1161 mm
Bottom-bracket drop	60 mm
Bottom-bracket height	307 mm
Reach	458 mm
Stack	632 mm
Fork offset / rake	47 mm
Front center	713 mm
Trail	80 mm
Fork length / axle-to-crown	496 mm
Seatpost length	400 mm
Crank length	175 mm
Stem length	75 mm
Handlebar width	750 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 25, 2026.