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SIRRUS X 4.0 - 2021
Sirrus X is your ticket to riding more, and to places you never imagined possible. It's a comfortable, capable, "let's do stuff" kind of bike that will inspire you to ride more than you ever have before. With bigger, confidence inspiring tires, a slightly more upright riding position, a super intuitive one-by drivetrain, and plenty of mounts for racks and fenders —it's more than just a solid partner on pavement. Sirrus X is a dialed option when it's time to hit some gravel. We've also equipped every Sirrus X with next-level comfort from our scientifically tested and ergonomically engineered Shared Platform Body Geometry saddle, handgrips, and pedals. We equipped Sirrus X 4.0 with the revolutionary Future Shock 1.5 to take the sting out of bumps and potholes. Here’s to your life on two wheels.
- Future Shock 1.5 delivers 20mm of compliance to give maximum comfort and control over the rough stuff.
- Added Carbon Fork and an A1 SL alloy frame delivers a build 1.6lb (.8kg) lighter than the 3.0 model–no heavy hybrid featuring a mountain style suspension fork comes close.
- Wide-range 1x11 Shimano Deore shifting delivers precise shifting for the long haul.
FRAME – Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm thru-axle, Plug + Play rack/fender mounts
FORK – Carbon Monocoque, 12x100mm flat thru-axle, flat mount disc, Future Shock 1.5
FRONT WHEEL – Alloy hub w/ Center Lock™ disc, sealed cartridge bearings, 12x100mm spacing w/ 700C double-wall alloy rim, 24h
REAR WHEEL – Alloy hub w/ Center Lock™ disc, sealed cartridge bearings, 12x142mm spacing w/ 700C double-wall alloy rim, 28h
FRONT TIRE – Pathfinder Sport, 700x38mm
REAR TIRE – Pathfinder Sport, 700x38mm
CRANKSET – Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide Aluminum chainring
CHAINRING – 40T
FRONT DERAILLEUR – N/A
REAR DERAILLEUR – Shimano Deore M5100, SGS, 11-speed
SHIFT LEVER – Shimano Deore M5100, 11-speed
CASSETTE – Shimano Deore M5100, 11-speed, 11-42T
FRONT BRAKE – Shimano BR-MT200, hydraulic disc, 160mm
REAR BRAKE – Shimano BR-MT200, hydraulic disc, 160mm
HANDLEBAR – Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm
STEM – Future Stem, Comp
SEATPOST – Alloy, 14mm offset, 27.2mm
SADDLE – Bridge Comp, Hollow Cr-mo rails
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Review SIRRUS X 4.0 - 2021