Sirrus on hübriidratas Specializedi mudelivalikus.

Mugav ja võimekas, veidi püstisema sõiduasendiga jalgratas. Kõik Sirrus rattad on varustatud mugava sadula, ergonoomiliste grippide ja laiemate pedaalidega.
 
RATTA SPEC...
Raam: Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
Kahvel: Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
Stem: 3D-forged alloy, 31.8mm, 7-degree rise
Sadulapost: Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Sadulaposti kinnitus: Bolt-type, 31.8mm
Sadul: Bridge Sport, Steel rails, 155/143mm
Lenks: Double-butted alloy, 9-degree backsweep, 31.8mm
Gripid: Specialized Body Geometry Contour, lock-on
Esipidur: Promax F1, hydraulic disc, flat-mount, 160mm
Tagapidur: Promax F1, hydraulic disc, flat-mount, 160mm
Hammasrattad: 46/30T w/ chainguard
Keskjooks: BSA, square-taper, 68mm
Kett: KMC X8 w/ Missing Link™
Tagumine käiguvahetus: Shimano Acera Rd-M3020
Esimene käiguvahetus: Shimano Tourney FD-TY606, Top swing, Dual pull
Käiguvahetaja: Shimano Acera, 8-speed
Kassett: Shimano Altus, 8-speed, 11-32t
Vändad: Shimano FC-TY501, 46/30, chainguard
Pöiad: 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
Tagarumm: Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h
Esirumm: Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
Rehvid: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Sisekummid: Schrader valve, 40mm
Kodarad: Stainless, 14g
Pedaalid: Specialized Body Geometry Fitness, platform, plastic