2010 Sirrus
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Leaps and bounds beyond your everyday "fitness" rig, this flat-bar road bike combines…
Product Details
Leaps and bounds beyond your everyday "fitness" rig, this flat-bar road bike combines the easy speed, low weight and high comfort of our Endurance Road bikes with the enhanced ergonomics of Body Geometry components.
Aluminum fork for durability with rack eyelets for packing options
3D-forged two-bolt stem with 25.4mm bar clamp for strength and steering confidence
Body Geometry triple-density gel grips alleviate hand pain and tingling fingers for all-day riding comfort
Body Geometry Roulux saddle provides cushioning where it counts, with enough comfort for long-distance rides
Lightweight A1 Premium Aluminum frame with hourglass speedstays provides perfect balance of performance and comfort for fitness/commute rides
Technical Specifications
FRAMESET
FRAME
Specialized Sirrus A1 Premium aluminum, fully manipulated tubing, compact design, hourglass speedstays, integrated headset
FORK
Aluminum legs and crown w/ 7075 aluminum steerer, w/ rack eyelets
HEADSET
Cage bearings integrated HS. w/ 20mm of spacers w/ top cap
SEAT BINDER
Alloy, 31.8mm
WHEELS
REAR HUB
Forged alloy, double-sealed, cassette, QR, 32h
SPOKES
Stainless 14g
FRONT TIRE
Specialized All Condition Sport, 700x32c, wire bead, 60TPI, w/ Flak Jacket protection
REAR TIRE
Specialized All Condition Sport, 700x32c, wire bead, 60TPI, w/ Flak Jacket protection
INNER TUBES
Standard presta valve
RIMS
Alex S500, aluminum, sleeve joint, CNC machined sidewalls
FRONT HUB
Forged alloy, sealed, QR, 32h
DRIVETRAIN
FRONT DERAILLEUR
Shimano Altus
REAR DERAILLEUR
Shimano Altus
SHIFT LEVERS
Shimano EF-50, EZ Fire
CASSETTE
Shimano HG-40, 8-speed, 11-32t
CHAIN
KMC Z-51
CRANKSET
Shimano FCM-191
CHAINRINGS
48 x 38 x 28T with Chainguard
BOTTOM BRACKET
Sealed cartridge, square taper, 68mm
COCKPIT
STEM
3D forged, 2-bolt, 25.4mm
HANDLEBARS
Specialized Sirrus Elite, 6061 aluminum, small riser, 25.4mm
TAPE
Body Geometry Comfort Grips Open-End with plug
SADDLE
Body Geometry ""Roulux"" w/ steel rails
SEATPOST
Alloy, two-bolt clamp, 27.2mm
BRAKES
FRONT BRAKE
Forged 6061 aluminum V-Brake, 108mm linear pull, w/ standard pads
REAR BRAKE
Forged 6061 aluminum V-Brake, 108mm linear pull, w/ standard pads
BRAKE LEVERS
Shimano EF-50 (integrated w/ shifter)
ACCESSORIES
PEDALS
Silver cage/black body, w/ black toe clips and strap
* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.
Geometry
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Seat-Tube Angle | 76° | 75° | 74° | 73.5° | 73° |
| Head-Tube Length | 135mm | 155mm | 185mm | 215mm | 250mm |
| Seat-Post Length | 300mm | 350mm | 350mm | 350mm | 350mm |
| Head-Tube Angle | 70° | 71.25° | 71.5° | 72° | 72.5° |
| Chain-Stay Length | 440mm | 435mm | 435mm | 435mm | 435mm |
| Top-Tube Length, Horizontal | 530mm | 545mm | 560mm | 580mm | 600mm |
| Front-Center | 614mm | 613mm | 619mm | 630mm | 641mm |
| Handle-Bar Width | 580mm | 580mm | 580mm | 580mm | 580mm |
| Stand-Over Height | 727mm | 763mm | 796mm | 824mm | 860mm |
| Seat-Tube Length, B-B Center to Top | 400mm | 445mm | 480mm | 515mm | 565mm |
| Fork Rake | 51mm | 51mm | 51mm | 51mm | 51mm |
| B-B Drop | 76mm | 74mm | 70mm | 70mm | 70mm |
| Trail | 73mm | 65mm | 63mm | 60mm | 57mm |
| Wheelbase | 1042mm | 1038mm | 1045mm | 1056mm | 1066mm |
| Crank Length | 170mm | 170mm | 175mm | 175mm | 175mm |
| Stem Length | 90mm | 100mm | 100mm | 110mm | 120mm |
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