Specialized Rockhopper Sport 2021
Bike details
Key information split into simple groups.
Bike summary
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Category
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Frame Aluminum
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Wheels 29"
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Travel Front 100mm
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Fork SunTour XCM
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Groupset Altus
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Suspension Hardtail
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Specialized A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger, stealth rack mounts, dropper post compatible
Suspension Fork
SR Suntour XCM 29, 30mm stanchions, Rx Tune, coil spring, QR, 90/100mm travel (size-specific), 42mm offset
Drivetrain
Rear Derailleur
Shimano Altus, RD-M2000, 9-speed
Front Derailleur
Shimano Altus FD-M2020 2-speed
Shift Levers
Shimano Altus, RapidFire Plus, 9-speed
Cassette
SunRace, 9-Speed, 11-36t
Crank
Stout 2x, forged alloy
Bottom Bracket
Square-tapered, 73mm, internal bearings, 122.5mm spindle
Chain
KMC X9EPT, 9-speed, anti-corrosion coating w/ reusable Missing Link™
Pedals
Specialized Body Geometry Fitness, platform, plastic
Wheels
Front Hub
Formula 6-Bolt, disc, 100x9mm spacing, quick-release, 32H
Rear Hub
Formula SP-2125, 6-Bolt freehub, disc, 135x9mm spacing, quick-release
Rims
Specialized alloy, disc only, double-wall, 25mm inner width, 32h
Spokes
Stainless, 14g
Tires
Front: Fast Trak Sport 29x2.35", Rear: Fast Trak Sport 29x2.35"
Brakes
Brakes
Tektro HD-M275, hydraulic disc, 160mm
Cockpit
Stem
Stout 3D-forged alloy, 31.8mm, 6-degree rise
Handlebar
Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm
Grips
Specialized Trail Grips, lock-on
Seat
Saddle
Bridge Sport, steel rails
Seatpost
Alloy, 2-bolt clamp, 30.9mm
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.51 mm | 1.46 mm | 1.41 mm | 1.38 mm | 1.35 mm |
| Bottom Bracket Height | 310 mm | 310 mm | 310 mm | 310 mm | 310 mm |
| Front Center | 672 mm | 696 mm | 719 mm | 745 mm | 770 mm |
| Rake | 46 mm | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 97 mm | 97 mm | 97 mm | 97 mm | 97 mm |
| Stack | 601 mm | 610 mm | 620 mm | 634 mm | 648 mm |
| Reach | 399 mm | 419 mm | 439 mm | 459 mm | 479 mm |
| Top Tube Length | 580 mm | 602 mm | 624 mm | 648 mm | 673 mm |
| Seat Tube Angle | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 360 mm | 400 mm | 450 mm | 500 mm | 560 mm |
| Head Tube Angle | 68.5 ° | 68.5 ° | 68.5 ° | 68.5 ° | 68.5 ° |
| Head Tube Length | 95 mm | 95 mm | 105 mm | 120 mm | 135 mm |
| Chainstay Length | 434 mm | 434 mm | 434 mm | 434 mm | 434 mm |
| Wheelbase | 1099 mm | 1122 mm | 1146 mm | 1172 mm | 1197 mm |
| Bottom Bracket Drop | 62 mm | 62 mm | 62 mm | 62 mm | 62 mm |
| Standover Height | 726 mm | 748 mm | 775 mm | 814 mm | 847 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |
About this model
Rockhopper Sport completes the Specialized Rockhopper model. Specialized launched 119 bikes of this model so far. You can easily view all of the Specialized Rockhopper bikes models from 2021, here.
Model range prices
Specialized Rockhopper 2021 is the most economical model, with a starting price of 583$. Specialized Rockhopper Expert 27.5 2021 on the other hand costs 1400$, and is the most expensive model.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Crosscountry bikes average price
Our math shows that the average cost of a dependable Crosscountry bike is 1905$. However, even if your budget is less than the average, you might still be able to get a top-quality Crosscountry bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
When Specialized released this model in 2021, its price was 800$. Doing a quick comparison, we notice that Rockhopper Sport price is 138.13% lower than the average cost of a Crosscountry bike.
Internal Cable Routing
Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.
Overview of components
Fork
The fork installed on this bike is the SunTour XCM model. The travel on this model is 100mm. Bike forks are great for shock absorption and provide you with a smooth ride. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Wheels
The Rockhopper Sport 2021 bike is equipped with 29″ aluminum wheels when leaving the factory. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, these wheels are not ideal for smaller people.
Brakes
Nothing is more important on a bike than its ability to brake properly. Specialized Rockhopper Sport is equipped with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, your safety is in good hands.
