Reassembling Your New Bike
Congrats!
Congratulations on your purchase of a new bicycle! The freedom and joy that comes with cycling is truly unparalleled, and there are many incredible adventures just around the corner, but first let's get this baby built!
Your new bike arrives from Bicycle Warehouse with most of the hard work already taken care of to make it as easy as possible for you to get out and riding those roads and trails. It's easy for experienced wrenchers and beginners alike. Just follow these simple steps:
Assembly Time
Level 1 - "Never-Ever"
Never assembled a bike and working with tools isn't your forte'
Assembly Time 60-80 minutes
Level 2 - "I'm Handy"
Never assembled a bike yet you are pretty mechanically handy.
Assembly Time 40-50 minutes
Level 3 - "DIY Bike Mechanic"
Never fully assembled a bike but have done a little bike tuning
Assembly Time 30-40 minutes
Level 4 - "Certified"
You’re a skilled bicycle mechanic
Time yourself, I bet you can assemble this bike in less than 10 minutes
Tools Needed
- 4, 5mm Hex Allen Keys*
- 15mm Pedal Wrench or 6mm Allen *
- Bike Grease*
- Bicycle Tire Pump*
- #2 Phillips Head and Flathead Screwdriver *
- Box Cutter or Strong Scissors
Click on the logo below for brand-specific videos on how to get your bike rolling.
Introducing the Specialized Sirrus 4.0 Fitness Bike - your ticket to conquering life's fast lane while having a blast! With a need for speed, a craving for adventure, and a desire to crush those fitness targets, Specialized has you covered with the Sirrus. This bike isn't just a ride; it's your trusty sidekick for wherever the road takes you.
The Sirrus boasts an ultralight aluminum alloy and carbon fiber build that's tougher than your determination. Shimano's reliable components, known to endure more than your daily coffee, are ready to face the pavement's challenges head-on. Rain or shine, those hydraulic disc brakes are your ace in the hole for stopping on a dime, while the Body Geometry touchpoints, designed to treat your body like royalty, make long rides feel like a breeze.
Feel the weight of the world melt away with the Carbon FACT 9r fork - not only does it caress your ride with comfort, but it also sheds a whopping 3 pounds (that's 1.2kg) compared to the Sirrus 2.0 model. Say goodbye to wobbly wheels and greet the precision of thru-axle hub connection and rub-free disc brakes. Shifting becomes a dance of intuition with the wide-range 2x10 Shimano components, making every gear change a seamless part of the rhythm.
So, lace up those sneakers and hop on the Sirrus 4.0 - your passport to a world of speed, style, and endless fitness FUN. It's not just a bike; it's your invitation to make life's journey an unforgettable adventure!
Features:
- Carbon FACT 9r fork delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0 model.
- Thru-axle hub connection for positive wheel alignment and no-rub disc brakes.
- Wide-range 2x10 Shimano components for intuitive and precise shifting.
Specifications
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 | Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5 | |
Tape | Specialized Body Geometry Contour, lock-on | |
Stem | Future Stem, Comp | |
Handlebars | Double-butted alloy, 9-degree backsweep, 31.8mm | |
Saddle | Bridge Comp, Hollow Cr-mo rails, 155/143mm | |
Seat Binder | Bolt-type, 31.8mm | |
SeatPost | Alloy, 2-bolt, 14mm offset, 27.2mm | |
Front Brake | Shimano BR-MT200, hydraulic disc, 160mm | |
Rear Brake | Shimano BR-MT200, hydraulic disc, 160mm | |
Cassette | Shimano CS-HG500, 10-speed, 11-32t | |
Shift Levers | Shimano Tiagra, 10-speed w/ Optical Gear Display | |
Rear Derailleur | Shimano Tiagra, 10-speed | |
Front Derailleur | Shimano Tiagra FD-4700, Band-clamp | |
Chainrings | 48/32, chainguard | |
Bottom Bracket | Praxis M24, BSA | |
Crankset | Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed | |
Chain | KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™ | |
Front Tire | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c | |
Rear Tire | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c | |
Inner Tubes | Presta, 48mm valve | |
Rear Hub | Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h | |
Front Hub | Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 24h | |
Rims | ||
700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h | ||
Spokes | Stainless, 14g | |
Pedals | Specialized Body Geometry Fitness, platform, plastic |
Geometry
XXS | XS | S | M | L | XL | |
---|---|---|---|---|---|---|
Crank Length | 165 | 165 | 170 | 172.5 | 172.5 | 175 |
Handlebar Width | 580 | 580 | 600 | 600 | 620 | 620 |
Stem Length | 60 | 70 | 70 | 80 | 90 | 100 |
Saddle Width | 155 | 155 | 155 | 143 | 143 | 143 |
Seatpost Length | 300 | 300 | 350 | 350 | 400 | 400 |
Stack | 587 | 590 | 606 | 635 | 651 | 672 |
Reach | 355 | 371 | 376 | 382 | 386 | 398 |
Head-Tube Length | 111 | 125 | 143 | 169 | 186 | 208 |
Head-Tube Angle | 69.5 | 70 | 71 | 71 | 71 | 70 |
B-B Height | 284 | 284 | 284 | 284 | 284 | 284 |
B-B Drop | 70 | 70 | 70 | 70 | 70 | 70 |
Trail | 78 | 75 | 75 | 68 | 68 | 68 |
Fork Length (full) | 395 | 395 | 395 | 395 | 395 | 395 |
Fork Rake/Offset | 51 | 51 | 51 | 51 | 51 | 51 |
Front-Center | 602 | 618 | 629 | 634 | 644 | 663 |
Chain-Stay Length | 440 | 440 | 440 | 440 | 440 | 440 |
Wheelbase | 1033 | 1049 | 1060 | 1065 | 1074 | 1093 |
Top-Tube Length (horizontal) | 529 | 549 | 559 | 573 | 581 | 599 |
Bike Stand-Over Height | 722 | 750 | 778 | 810 | 831 | 700 |
Seat-Tube Length | 360 | 395 | 440 | 470 | 510 | 530 |
Seat-Tube Angle | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 |
At Bicycle Warehouse your satisfaction is our top priority. We understand the importance of your happiness with every purchase, which is why we proudly offer our 30 Day Love It Guarantee for your unused gear and 14 days on all bikes. Our exchange and returns process is quick and easy.
Ride Now, Pay Later
Owning your dream bike just got easier. Bicycle Warehouse has financing options for everyone.