Compare bikes

Specialized Rockhopper Expert 29 2021 vs Trek X-Caliber 9 2020

Specialized 2021

Rockhopper Expert 29
Trek 2020

X-Caliber 9

Details
Year	2021	2020
Category	Cross Country	Cross Country
Groupset	SRAM SX Eagle	Shimano XT
Crank	30T	30T
Cassette	11-50T	10-51T
Speeds	12v	12v
Weight	-	13,32 kg
Frame material	Alloy	Alloy
Wheel size	29"	29"
Suspension type	Hardtail	Hardtail
Front travel	100mm	100mm
Rear travel	-	-
Price	$1,400.00	$1,649.99

Components
Acessories
Grip	Specialized Trail Grips	Bontrager XR Trail Comp
Components
Seatpost	Specialized Alloy	Bontrager Alloy, 31.6mm, 12mm offset, 400mm length
Steam	Specialized Stout 3D alloy	Bontrager Elite, 31.8mm
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-MT400 Hydraulic disc brake 2 piston Shimano BR-MT400 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 Secondary color Silver Hose joint Straight J-Kit spec for OEM Model BR-MT400 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-MT400 BL-MT401 BL-MT402-3A Recommended disc brake rotor SM-RT30* SM-RT54* SM-RT56*
Handlebar	Specialized Stout Mini Rise	Bontrager Alloy, 31.8mm, 5mm rise, 720mm width
Discs	-	Shimano RT56 160mm
Saddle	-	Bontrager Arvada
Drivetrain
Bottom bracket	SRAM Power Spline	Shimano SM-BB52 Shimano SM-BB52 Adapter finish Painted Adapter material Aluminum Hollowtech II (threaded) Model SM-BB52 Spacer material Resin Shell width (mm) 68 73
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	-
Chain	SRAM SX Eagle	Shimano CN-M7100 252 g Shimano CN-M7100 Average weight (g) 252 Chromizing treatment roller link pin Model CN-M7100 Pin link plate Gray Roller link plate SIL-TEC Type HG 12-speed
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	Shimano SLX CS-M7100-12 HYPERGLIDE+ Shimano SLX CS-M7100-12 Aluminum gear finish Anodized Aluminum gear pieces 1 Aluminum spider arm finish Painted Aluminum spider arm pieces 1 Combination names 10-45T 10-51T Compatible chain HG 12-speed Lock ring finish Anodized Lock ring material Aluminum Model CS-M7100-12 Steel gear finish Plated Steel gear pieces 11 Type HYPERGLIDE+ Weights 10-45T: 513g 10-51T: 534g
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	Shimano XT RD-M8100
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	Shimano FC-MT610-2 12s Shimano FC-MT610-2 Chain line (mm) 48.8 Chainring combination 36-26T Primary color Black Compatible bottom bracket type (outboard) Compatible chain HG 12-speed Crank arm finish Painted Crank arm material Aluminum crank_arm_length_mm.170 crank_arm_length_mm.175 Crank axle finish Plated Crank axle material Steel Model FC-MT610-2 Pitch circle diameter Direct Q factor (mm) 172.9 Speeds 12 Recommended bottom bracket (press fit) BB-MT500-PA Recommended bottom bracket (threaded normal) SM-BB52 Spider arm finish Painted Spider arm material Aluminum Spider gear arms 4
Frameset
Frame	Specialized A1 Alumínio	Trek Alpha Gold Aluminum
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 Silver
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	Bontrager sealed bearing
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	Bontrager sealed bearing
Rims	Specialized Alloy	Bontrager Kovee
Tires	Specialized Ground Control 29x2.3"	Bontrager XR3 Comp, 29x2.20''

Features
Hydraulic disc brakes
Tubeless ready
Internal routing
Tapered head tube
E-THRU AXLE
Remote lockout
Boost 110

Geometry
Size
Seat tube length	360,0	343,0
Seat tube angle	73,5º	73,5º
Top tube length	580,0	537,0
Head tube length	95,0	90,0
Head tube angle	68,5º	69,3º
Rake	46,0	44,0
Trail	97,0	88,0
Wheelbase	1099,0	1030,0
Chainstay length	434,0	419,0
Bottom bracket drop	62,0	58,0
Stack height	601,0	559,0
Reach	399,0	370,0
Standover height	726,0	692,0
Bottom bracket height	310,0	292,0
Front center	672,0	618,0

Subscribe to our newsletter

Receive the latest news in the world of cycling, new bike releases, trends and much more.

Don't worry, we hate SPAM just like you.