Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 29" -
Travel Front 100mm -
Fork SunTour
-
Groupset Tourney, Altus -
Suspension Hardtail -
Brakes Mechanical Disc
Parts list
Components
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 XCE 29, 28mm stanchions, Rx Tune, coil spring, QR, 90/100mm travel (size-specific), 46mm offset
Drivetrain
Rear Derailleur
Shimano Tourney RD-TX800, 8-speed
Front Derailleur
Shimano Altus FD-M315
Shift Levers
microSHIFT, TS39-8R, 2x8-speed
Cassette
SunRace, 8-speed, 11-34t
Crank
Stout 2x, forged alloy
Bottom Bracket
Square-tapered, 73mm, internal bearings, 122.5mm spindle
Chain
KMC X8 EPT, anti-rust coating, 8-speed 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
Radius CX7, mechanical 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
Geometry
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 is a Specialized Rockhopper model. 119 bikes variations carry this model name 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
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Crosscountry bikes average price
If you want to purchase a solid Crosscountry bike, it is important to know that the average cost is 1905$. However, this doesn’t mean that if you spend less money on a Crosscountry bike, you couldn’t get a decent one. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, this bike was made available in 2021 for 583$. Doing a quick comparison, we notice that Rockhopper price is 226.76% lower than the average cost of a Crosscountry bike.
Internal Cable Routing
This bike has an internal cable routing. As a result, this helps to preserve the bike’s cables. No more cables around your bike.
Overview of components
Fork
The SunTour is included from the factory. It has a travel distance of 100mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. In short, make sure you choose one with a decent fork when you purchase your dream bike.
Wheels size
The Rockhopper 2021 bike is equipped with 29″ aluminum wheels when leaving the factory. With 29″ wheels, bumps will feel lighter and you’ll gain more speed on descends, compared to smaller wheel-sized bikes. However, the 29″ wheels will add a little more weight to the bike itself.
Brakes
For your safety, it is important to have quality breaks on your bike. Specialized Rockhopper has Mechanical Disc brakes installed. They are much easier to maintain than hydraulic disk brakes. However, with hydraulic disk brakes, you have the ultimate braking power!