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Specialized Rockhopper Expert 29 2021 vs Specialized Chisel Comp 2020

Specialized 2021

Rockhopper Expert 29
Specialized 2020

Chisel Comp

Details
Year	2021	2020
Category	Cross Country	Cross Country
Groupset	SRAM SX Eagle	SRAM SX Eagle
Crank	30T	32T
Cassette	11-50T	11-50T
Speeds	12v	12v
Weight	-	-
Frame material	Alloy	Alloy
Wheel size	29"	29"
Suspension type	Hardtail	Hardtail
Front travel	100mm	100mm
Rear travel	-	-
Price	$1,400.00	-

Components
Acessories
Grip	Specialized Trail Grips	Specialized Trail Grips
Components
Seatpost	Specialized Alloy	Specialized Alumínio, 30.9mm
Steam	Specialized Stout 3D alloy	Specialized XC
Brakes	Shimano BR-MT200 Hydraulic disc brake 2 piston Shimano BR-MT200 Brake hose color kit Black Brake hose kit SM-BH59-JK-SS Brake type Hydraulic disc brake Caliper finish Painted Caliper material Aluminum Caliper fixing bolt anti loosen method Snap ring Caliper fixing bolt material Steel Caliper fixing bolt tool size 5 mm Primary color Black Hose joint Straight J-Kit spec for OEM Model BR-MT200 Mount type Post-type Oil SHIMANO Mineral One way bleeding Pad standard B03S Resin Pad mount Split pin Piston 2 Piston material Resin Recommended brake lever BL-MT201 BL-MT200 Recommended disc brake rotor SM-RT10* SM-RT26*	Shimano BR-MT500 Hydraulic disc brake 2 piston Shimano BR-MT500 Brake hose color kit Black Brake hose kit SM-BH59-JK-SS Brake type Hydraulic disc brake Caliper finish Painted Caliper material Aluminum Caliper fixing bolt anti loosen method Snap ring Caliper fixing bolt material Steel Caliper fixing bolt tool size 5 mm Primary color Black Hose joint Straight J-Kit spec for OEM Model BR-MT500 Mount type Post-type Oil SHIMANO Mineral One way bleeding Pad standard B03S Resin Pad mount Split pin (stainless steel) Piston 2 Piston material Resin Recommended disc brake rotor SM-RT54* SM-RT56*
Handlebar	Specialized Stout Mini Rise	Specialized Mini Rise Alumínio
Drivetrain
Bottom bracket	SRAM Power Spline	SRAM Power Spline
Shifter	SRAM SX Eagle Trigger 12s SRAM SX Eagle Trigger Cable length 2200mm Cable pull ratio X-actuation Color Black Compatible derailleur hub RD:12s Matchmaker compatible No Model SL-SX-1-A1 Name SX Eagle Trigger Shifter Shifter type Trigger Speeds 12	SRAM SX Eagle Trigger 12s SRAM SX Eagle Trigger Cable length 2200mm Cable pull ratio X-actuation Color Black Compatible derailleur hub RD:12s Matchmaker compatible No Model SL-SX-1-A1 Name SX Eagle Trigger Shifter Shifter type Trigger Speeds 12
Chain	SRAM SX Eagle	SRAM SX Eagle
Cassette	SRAM PG-1210 Eagle 12s SRAM PG-1210 Eagle Cog finish cassete Black Cog sizes 11-50t:11,13,15,17,19,22,25,28,32,36,42,50 Gearing 11-50t Model CS-PG-1210-A1 Name PG-1210 Eagle™ Cassette Speed 12s Technology cassete PG	SRAM PG-1210 Eagle 12s SRAM PG-1210 Eagle Cog finish cassete Black Cog sizes 11-50t:11,13,15,17,19,22,25,28,32,36,42,50 Gearing 11-50t Model CS-PG-1210-A1 Name PG-1210 Eagle™ Cassette Speed 12s Technology cassete PG
Rear derailleur	SRAM SX Eagle 12s SRAM SX Eagle Cable pull ratio X-actuation Cage Long Cage material Steel Color Black Max tooth 50 Model RD-SX-1-A1 Name SX Eagle Rear Derailleur Pulley bearings material Steel Speed 12s	SRAM SX Eagle 12s SRAM SX Eagle Cable pull ratio X-actuation Cage Long Cage material Steel Color Black Max tooth 50 Model RD-SX-1-A1 Name SX Eagle Rear Derailleur Pulley bearings material Steel Speed 12s
Crankset	SRAM SX Eagle 11, 11/12s SRAM SX Eagle BB compatibility All SRAM MTB WIDE DUB BBs DUB BSA73 DUB PF89.5 DUB PF92 DUB PF30 MTB73 DUB BB30 MTB73 DUB:BSA73 PF89.5 PF92 PF30 MTB73 BB30 MTB73 BSA MTB68SP PowerSpline BB BB spindle interface DUB, Power Spline Bolt circle diameter bcd Direct Mount (DM) Chain line 49.0mm, 52.0mm, 55.0mm Chainring material Steel Chainring size 28T, 30T, 32T, 34T Crank arm length 155mm, 165mm, 170mm, 175mm Model FC-SX-1-A1 Name SX Eagle™ Crankset Speeds 11, 11/12	SRAM SX Eagle 11, 11/12s SRAM SX Eagle BB compatibility All SRAM MTB WIDE DUB BBs DUB BSA73 DUB PF89.5 DUB PF92 DUB PF30 MTB73 DUB BB30 MTB73 DUB:BSA73 PF89.5 PF92 PF30 MTB73 BB30 MTB73 BSA MTB68SP PowerSpline BB BB spindle interface DUB, Power Spline Bolt circle diameter bcd Direct Mount (DM) Chain line 49.0mm, 52.0mm, 55.0mm Chainring material Steel Chainring size 28T, 30T, 32T, 34T Crank arm length 155mm, 165mm, 170mm, 175mm Model FC-SX-1-A1 Name SX Eagle™ Crankset Speeds 11, 11/12
Frameset
Frame	Specialized A1 Alumínio	Specialized M5 Alumínio
Front suspension	RockShox Judy Coil RockShox Judy Color Diffusion Black, Gloss Black Damper type TurnKey fork offset 42mm (27.5"), 46mm (29"), 51mm (29") Max tire width (mm) 62 Maximum rotor size 185mm Minimum rotor size 160mm Model FS-JDY-TK-B1 Name Judy Spring Coil Travel (mm) 100mm, 120mm, 80mm Upper tube type 30mm straight wall steel Wheel size 27.5", 29"	RockShox Judy Gold Solo Air RockShox Judy Gold Color Diffusion Black, Gloss Black Damper type Motion Control fork offset 40mm (26"), 42mm (27.5"), 46mm (29"), 51mm (27.5"), 51mm (29") Max tire width (mm) 58, 62, 81 Maximum rotor size 185mm, 210mm Minimum rotor size 160mm Model FS-JDYG-RL-A3 Name Judy Gold RL Spring Solo Air Travel (mm) 100mm, 120mm, 80mm Upper tube type 30mm straight wall aluminum Wheel size 26", 27.5", 29"
Wheels
Front hub	Shimano HB-RM35 Quick release Shimano HB-RM35 Axle material Steel Axle fixing method Quick release Brake type Center lock disc brake Hub shell color Black Quick release color Black Without external serration disc rotor lock ring Flange distance (mm) 60.2 Hub shell finish Painted Hub shell material Aluminum Model HB-RM35 Offset (mm) 5.5 Over locknut dimension (mm) 100 PCD left right (mm) 44/44 Quick release housing finish Plated Quick release housing material Steel Quick release lever finish Plated Quick release lever material Steel Quick release nut material Resin & Steel Seal Contact Spoke hole 28H 32H 36H	Specialized selado, 15x110mm, spacing, 28h
Rear hub	Shimano FH-RM35 Shimano FH-RM35 Axle material Steel Axle fixing method Quick release Brake type Center lock disc brake Hub shell color Black Quick release color Black Without external serration disc rotor lock ring Flange diameter (mm) 53.8 Flange distance (mm) 57.4 Freehub body material Steel Hub shell finish Painted Hub shell material Aluminum Without external serration disc rotor lock ring Model FH-RM35 Offset (mm) 6.6 Over locknut dimension (mm) 135 PCD left right (mm) 45/45 Quick release housing finish Plated Quick release housing material Steel Quick release lever finish Plated Quick release lever material Steel Quick release nut material Steel + Resin Seal Contact Spoke hole 28H 32H 36H	Specialized sealed, 12x148mm, thru-axle, 32h
Rims	Specialized Alloy	Specialized Stout XC 29
Tires	Specialized Ground Control 29x2.3"	Specialized Fast Trak 29x2.3"

Features
Hydraulic disc brakes
Tubeless ready
Internal routing
Boost 148
Boost 110

Geometry
Size
Seat tube length	560,0	370,0
Seat tube angle	73,5º	74,0º
Top tube length	673,0	552,0
Head tube length	135,0	95,0
Head tube angle	68,5º	69,8º
Rake	46,0	51,0
Trail	97,0	82,0
Wheelbase	1197,0	1059,0
Chainstay length	434,0	434,0
Bottom bracket drop	62,0	57,5
Stack height	648,0	590,0
Reach	479,0	384,0
Standover height	847,0	735,0
Bottom bracket height	310,0	312,5
Front center	770,0	631,0

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