2015 Specialized Hybrid Bikes – Sirrus Sport Disc

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Product Highlights:

  • Specialized A1 Premium Aluminum frame
  • A1 Premium Aluminum fork
  • Tektro Auriga, hydraulic disc brakes 
  • Shimano Acera, 27-speed derailleur 
  • Body Geometry Targa Sport saddle
  • 11.9 kg
  • Bike frame size: S (44cm), M (48.5cm), L (53cm)

This model no longer available

Bike PartsDescriptions
FRAMESpecialized A1 Premium Aluminum, fully manipulated butted tubing
FORKSteel, straight blade,
HEADSET1-1/8" FSA integrated cartridge lower, external sealed upper bearings
STEMSpecialized 3D forged alloy, 4-bolt, 6-degree rise
HANDLEBARSSpecialized flat, 6061 double butted alloy, 10-degree backsweep, 4-degree upsweep, 31.8mm
TAPESpecialized Body Geometry Targa, closed end
FRONT BRAKEAlloy V-brake, linear pull,
REAR BRAKEAlloy V-brake, linear pull,
FRONT DERAILLEURShimano FD-M191 Top Swing Dual pull
REAR DERAILLEURShimano Altus, 9-speed
SHIFT LEVERSShimano EZ Fire, 9-speed
CASSETTEShimano, 9-speed, 11-32
CHAINKMC X8, 8-speed, reusable Missing Link
CRANKSETShimano Altus, 8-speed triple
BOTTOM BRACKETSquare taper, cartridge bearings
PEDALSNylon Flat
FRONT WHEELDouble Wall Alloy 32H with sealed bearing hub
REAR WHEELDouble Wall Alloy 32H with sealed bearing hub
FRONT TIRESpecialized Nimbus, 26TPI, wire bead, Flak Jacket protection, 700x32c
REAR TIRESpecialized Nimbus, 26TPI, wire bead, Flak Jacket protection, 700x32c
INNER TUBESStandard, Schrader valve
SADDLEBody Geometry Toupé Sport, hollow Cr-Mo rails, 143mm
SEATPOSTAlloy, 2-bolt, micro-adjust, 12.5mm offset, 27.2mm, anti-corrosion hardware
SEAT BINDERAlloy, 31.6mm