Modest component level aluminum frame hybrid bike
View on www.specialized.com
2 × 9 — 18 speed
The 2021 Sirrus 3.0 is geared about the same as similar bikes for riding up hills.
The 2021 Sirrus 3.0 is geared about the same as similar bikes for riding downhill.
Estimated spec level of the Sirrus 3.0 compared to other hybrid bikes. 99 Spokes analyzes the build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more to estimate the overall spec level of each bike.
|Frame||Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts|
|Fork||Specialized FACT 9r Carbon, QR, Flat-mount Disc|
|Bottom Bracket||BSA for 24mm spindle|
|Stem||Specialized, 3D-forged alloy, 4-bolt, 7-degree rise|
|Handlebar||Double-butted alloy, 9-degree backsweep, 31.8mm|
|Saddle||Bridge Sport, Steel rails, 155/143mm|
|Seatpost||Alloy, 12mm offset, 2-bolt clamp, 27.2mm|
|Pedals||Specialized Body Geometry Fitness, platform, plastic|
|Rear Derailleur||Shimano Sora, 9-speed|
|Front Derailleur||microSHIFT R9, 9-speed, 31.8mm clamp|
|Crank||2-piece, forged arms, 24mm spindle, steel chainrings w/ chainguard, 48/32T|
|Cassette||Shimano Sora, 9-speed, 11-34t|
|Chain||KMC X9, 9-speed w/ Missing Link™|
|Brakes||Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm|
|Rims||700C disc brake, double-wall alloy, 22mm depth, 21mm internal width|
|Front Hub||Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h|
|Rear Hub||Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h|
|Tires||RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c|