Specialized Sirrus Sport Alloy Disc 2020 - Hybrid Sports Bike
Push your limits and reach your fitness goals. The Specialized Sirrus Sport Alloy is a fast and efficient road bike that features flat handlebars for improved handling on urban roads. The Sirrus is ideal for fitness training and commuting.
Key Features:
- A1 Premium SL aluminium frame is lightweight and robust
- FACT 9 Carbon fork for a smoother ride
- Sora 2x9 speed drivetrain with a sub-compact chainset
- Hydraulic disc brakes for consistent stopping power in all-weathers
- Sizes: Small, Medium, Large, X Large, XX Large
- Colour: Black/Chrome, Lemon/Black
- The Specialized Sirrus Sport Alloy Disc is available with 0% APR finance
As you push yourself towards your fitness goals, you need a partner that you can count on, and we're happy to say that the Sirrus Sport fits the bill.
It's constructed from a durable, reliable, and lightweight A1 SL Premium Aluminium, and it features a bombproof assortment of components, like a Shimano Sora rear derailleur and powerful Tektro hydraulic disc brakes that are sure to get the job done.
Sprinkle in some added comfort from our proven Body Geometry components, like the grips and saddle, and a Fitness geometry that lives in the sweet spot between comfort and performance, and you have a bike that'll always be ready to go when it comes time to sweat.
Working with our Body Geometry team, we designed a frame that strikes the optimal balance between comfort and efficiency. The A1SL Premium Aluminium construction pairs weight savings with rugged durability, while the rack, fender, and disc mounts give you an incredibly versatile package.
The lightweight FACT carbon fibre fork provides a smooth, responsive ride, while the Plug + Play fender mounts give you the option to install rain-fighting fenders.
Braking duties are handled by Tektro hydraulic disc brakes to ensure effective, consistent, and reliable power through any kind of terrain or condition.
All Tredz bikes are:
- Fully built & ready to ride
- Fully checked & tested by Cytech qualified mechanics
- Available with 0% APR finance on baskets over £99
- 365 day no hassle returns
- Free delivery in the UK Mainland on a date that suits you
In the box with every Tredz bike is:
- Free Tredz 9 key trail tool
- Free Tredz pedal spanner
- Free basic pedals
- Tredz drawstring kit bag
- 16 point quality control check sheet
- Basic bike setup instructions
- Free Cycle Plan insurance voucher (8 weeks)
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Specialized A1 SL Premium Aluminum, Fitness Geometry, fully-manipulated butted tubing, internal cable routing, flat mount disc, QR, rack & 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-R310, hydraulic disc, resin pads, flat mount, 160mm Shimano RT10 Center Lock rotor |
| Rear Brake | Tektro HD-R310, hydraulic disc, resin pads, flat mount, 160mm Shimano RT10 Center Lock rotor |
| Front Mech | microSHIFT R9, 9-speed, 31.8mm clamp |
| Rear Mech | Shimano Sora, GS cage, 9-speed |
| Shifters | Microshift |
| Speed | 18 |
| Rims | 700C disc, double wall, 32h |
| Front Hub | Alloy, Centerlock disc, loose ball bearing, 100mm spacing, QR, 32h |
| Rear Hub | Alloy, 8/9/10-speed freehub, Centerlock disc, loose ball bearing, 135mm spacing, 32h |
| Spokes | Stainless, 14g |
| Front Tyre | Specialized Nimbus Reflect 700x32mm, 26 TPI, wire bead, w/ Flak Jacket protection |
| Rear Tyre | Specialized Nimbus Reflect 700x32mm, 26 TPI, wire bead, w/ Flak Jacket protection |
| Seat Post | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
| Chainset | 2-piece, solid forged arms, 24mm spindle, steel chainrings w/ chainguard, 48/32T |
| Bottom Bracket | BSA, for 24mm spindle |
| Chain | KMC X9, 9-speed w/ Missing Link™ |
| Cassette | Shimano Sora, 9-speed, 11-34t |
| Pedals | Specialized Fitness platform, alloy |
Typical Hybrid Bike Sizing Chart
Frame Size
XXS - 13"
4'8"
5'1"
XS - 15"
5'1"
5'4"
S - 16"
5'4"
5'7"
M - 18"
5'7"
5'10"
L - 19"
5'10"
6'0"
XL - 20"
6'0"
6'3"
XXL - 21"
6'3"
6'5"
XXXL - 22"
6'5"
6'9"
Hybrid Bike Sizing Chart
|
Height |
Bike size (cm) |
bike size (Inch) |
|
4’8” – 5’1” 143 – 155 cm |
44 – XXS |
13” – XXS |
|
5’1” – 5’4” 155 – 163 cm |
48 – XS |
15” – XS |
|
5’4” – 5’7” 163 – 170 cm |
51 – S |
16” – S |
|
5’7” – 5’10” 170 – 178 cm |
54 – M |
18” – M |
|
5’10” – 6’0” 178 – 183 cm |
56 – L |
19” – L |
|
6’0” – 6’3” 183 – 191 cm |
58 – XL |
20” – XL |
|
6’3” – 6’5” 191 – 196 cm |
60 – XXL |
21” – XXL |
|
6’5” – 6’9” 196 – 205 cm |
62 - XXXL |
22” – XXXL |
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