Specialized Sirrus 4.0 2021 - Hybrid Sports Bike
- ShowProduct Information You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast... read more
- Show Reviews & Q&As
- Show Specialized Sirrus Sizing
- Show Hybrid Sport Bike Guide
- Show Finance
- Show Delivery & Guarantee
- Show What's In The Box
You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast, so it's a good thing we made Sirrus to help you with all of it. Wherever you're heading, Sirrus will take you there. Sirrus features a super light Aluminum Alloy and carbon fiber construction, as well as reliable Shimano components that are built to withstand years of daily abuse on the world's pavement. Powerful hydraulic disc brakes provide reliable stopping power in any condition, and comfortable, ergonomically designed Body Geometry touchpoints are there to take the sting out of longer rides. So, as you push yourself to reach your goals, you'll feel more connected to your bike and know that you have the perfect partner with Sirrus.
- Carbon fact 9 frame and fork saves over 1.4 pounds (.6kg) and is a piece of art all unto itself.
- Through axle hub connection for positive wheel alignment and no rub Disc brakes.
- Wide range 2x9 Shimano Sora Road components for intuitive and precise shifting.
Occasionally, without notice, manufacturers change product design and/or specifications.
|Frame:||Specialized FACT 9r carbon, Fitness Geometry, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts|
|Fork:||Specialized FACT 9r carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts|
|Stem:||Specialized, 3D-forged alloy, 4-bolt, 7-degree rise|
|Bars:||Double-butted alloy, 9-degree backsweep, 31.8mm|
|Front Brake:||Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm|
|Rear Brake:||Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm|
|Brake Lever:||microSHIFT, 9-speed|
|Front Mech:||microSHIFT R9, 9-speed, 31.8mm clamp|
|Rear Mech:||Shimano Sora, 9-speed|
|Rims:||700C disc, double-wall alloy, 22mm depth, 21mm internal width, 28h|
|Front Hub:||Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 28h|
|Rear Hub:||Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h|
|Front Tyre:||RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c|
|Rear Tyre:||RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c|
|Seat Post:||Alloy, 12mm offset, 2-bolt clamp, 27.2mm|
|Saddle:||Specialized Power, hollow steel rails, 155/143mm|
|Chainset:||2-piece, forged arms, 24mm spindle, steel chainrings w/ chainguard|
|Bottom Bracket:||BSA for 24mm spindle|
|Chain:||KMC X9, 9-speed w/ Missing Link™|
|Cassette:||Shimano Sora, 9-speed, 11-34t|
|Pedals:||Basic Resin Flat|
Specialized Sirrus Sizing
Specialized Sirrus 2021 Size Chart
|Frame Size||Height (cm)||Height (in)|
|XXS||142 - 150||4' 8" - 4' 11"|
|XS||150 - 158||4' 11" - 5' 2"|
|S||155 - 165||5' 1" - 5' 5"|
|M||165 - 175||5' 5" - 5' 9"|
|L||175 - 183||5' 9" - 6' 0"|
|XL||183 - 193||6' 0" - 6' 4"|
|XXL||193 - 198||6' 4" - 6' 6"|
What size frame do I need if I am between sizes? - read here
Please note, all size information is provided as a guide - if you're unsure or need any further assistance you can call us on 01792 799508 ... we're happy to help!
Hybrid Sport Bike Guide
How do I apply for finance?
Spend £99 or more at Tredz and you can spread the cost. Pay monthly over 6-48 months, interest free (dependent on repayment terms and amount).
1Fill your basket with everything you want from Tredz and go to the checkout.
2During checkout, select the finance option you want as your method of payment.
3You will be sent to our finance provider's secure server to complete your application.
4Finance providers PayPal & V12 will use the information provided to make a decision and complete checkout if you are approved.Read more about buying on finance
Flexible finance options
Choose your deposit.
Choose your term.
Lowest monthly cost
for 48 months
Best £0 deposit / 0% interest
for 18 months
Delivery & Guarantee
UK Delivery Information
International Deliveries – Temporarily Suspended 11/11/20
Note: We are still offering deliveries to the Isle of Man, Scottish Highlands, Scottish Islands, Channel Islands, Isle of Wight, Jersey and Guernsey.
Courier Delivery update: Due to the COVID19 situation, we are currently experiencing some delays with deliveries. Our couriers are working around the clock to get your order to you as soon as possible but there is a potential delay of up to 48 hours . Please check your tracking on track your order here.
Please note on the TNT tracking app it may show your delivery status as ‘Collecting’ (as per image below). This means your delivery has left our warehouse and is currently held at TNT main depot and there could be up to a 48 hour delay.
Please keep checking the TNT tracking for further updates. On behalf of TNT we apologise for any delay and inconvenience this may cause.
We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE in the UK, regardless of the size and on all orders over £20.
Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.
Please note that Pre-Order dates can sometimes change due to updated stock information.
Click here for more UK and international delivery information.
Returns & Warranty
It's easy to return a product with our 365 day, hassle free returns.
We will give you a full refund on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).
Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.
If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.
For more information please visit our Returns & Warranty page.
What's In The Box
What's In The Box
As cyclists ourselves, we know you will be keen to get out on your new bike as soon as possible. That's why we provide you with all the essential kit you need to get your shiny new bike rolling for the first time.
Most bikes don't come with pedals as standard so we include a set of basic pedals, free of charge with every bike we send out. We will also provide you with a pedal spanner to fit them and a 9-key trail tool, along with full instructions for setting your bike up out of the box. Each bike is sent out with a 16 point, quality control check sheet so you can be confident that your bike has been fully checked by our qualified mechanics.
- Basic setup instructions
- 16 point quality control checklist
- Free tredz multitool
- Free tred pedal spanner
- Free basic pedals
- Free drawstring kit bag
- Free bike insurance voucher
All these items are provided at no extra charge and are packed into a Tredz drawstring bag that doubles up as a handy backpack for carrying your ride essentials.
- Basic bike setup instructions
- Free ‘basic’ pedals
- Free Tredz pedal spanner
- Free Tredz 9-key trail tool
- Free Tredz drawstring bag
- Free 8 weeks insurance voucher
- 16 point, quality control check sheet
Read our bike setup guide.
- Tredz bikes are fully checked & tested by Cytech qualified mechanics
- 0% APR finance available on any basket over £99
- 365 day 'no hassle' returns
- Free UK delivery, on a date that suits you
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