Sirrus
Part No.  

Sirrus

Part No.  
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Sirrus
Overview
Technical Specifications
Reviews
Comfort and convenience of a flat bar with the quickness and efficiency of a road bike.
  • Body Geometry Riva Road saddle provides generous padding for all-day performance and comfort
  • Straight blade steel fork gives you all the durability you need to manage potholes and rough roads
  • Shimano Altus rear derailleur and Acera Rapidfire trigger shifters are a confidence-inspiring combination
  • Body Geometry triple-density gel grips alleviate hand pain and tingling fingers for all-day riding comfort
  • Lightweight A1 Premium Aluminum double butted alloy frame with forgiving hourglass seatstays provides the perfect balance of performance and comfort, enough clearance for fenders

Technical Specifications

DRIVETRAIN
CHAIN KMC Z-7, 12"" x 3/32""
BOTTOM BRACKET Sealed cartridge, square taper, 68mm
CRANKSET Shimano FCM131
FRONT DERAILLEUR Shimano, dual pull, top swing
SHIFT LEVERS Shimano EF-51, EZ Fire
CASSETTE SRAM, 7-speed, 12-32t
CHAINRINGS 48 x 38 x 28T w/ chainguard
REAR DERAILLEUR Shimano Altus
WHEELS
FRONT HUB Forged alloy, sealed, QR, 32h
REAR HUB Forged alloy, double-sealed, cassette, QR, 32h
INNER TUBES Standard presta valve
SPOKES Stainless 14g
FRONT TIRE Specialized All Condition Sport, 700x32c, wire bead, 60TPI, w/ Flak Jacket protection
RIMS Alex AS-14, double wall
REAR TIRE Specialized All Condition Sport, 700x32c, wire bead, 60TPI, w/ Flak Jacket protection
COCKPIT
SADDLE Body Geometry Riva Road, 155mm width
TAPE Body Geometry Comfort Grips
SEATPOST Alloy, two-bolt clamp, 30.9mm
STEM Alloy, CP bolt, 25.4mm
HANDLEBARS Alloy, small rise, 25.4mm
BRAKES
FRONT BRAKE Die cast aluminum, 108mm linear pull
BRAKE LEVERS Shimano EF-51 integrated w/ shifter
REAR BRAKE Die cast aluminum, 108mm linear pull
ACCESSORIES
PEDALS Nylon flat pedal w/ reflectors
FRAMESET
HEADSET 1-1/8"" sealed Cr-Mo bearings integrated w/ headset, 20mm alloy cone spacer with 20mm of spacers
SEAT BINDER Alloy, 31.8mm
FORK Straight blade steel fork w/ rack eyelets
FRAME Specialized A1 Premium aluminum, fully manipulated tubing, smooth weld compact design, internal cable routing , integrated headset,fender and rack eyelets

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