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The Specialized men's Sirrus Alloy is a no hasle hybrid. Desinged with reliable components, you'll be comfortable and efficient, no matter how far you ride.

Specialized

Specialized Sirrus Alloy Mens Hybrid Bike 2019 in Black

£360.00 £450.00
Save 20%

Specialized Sirrus Alloy Mens Hybrid Bike 2019 in Black

Season : 2019

Brand : Specialized

Code : 210278239702

Weight : 20KG

The Specialized Sirrus Alloy men's hybrid is constructed from a lightweight aluminium frame and features a reliable set of components which are built to withstand years of daily abuse, like comforting body geometry touch points that are sure to take the sting out of long rides. The hassle-free v-brakes ensure reliable and consistent braking, paired with the Specialized Nimbus tyres, so uneven, rough surfaces are no match. The rack and fender mounts make lugging your stuff around town, for your daily commute, a whole lot easier. 

Key Features & Benefits

  • The A1 Premium Aluminium frame, is lightweight and durable.
  • Shiamano 21 Speed Drivetrain, provides a wide gear range, making uphills and downhills even easier.
  • Steel rigid fork, provides durability across different terrains.

Full Specification

  • Frame:  Specialized A1 Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, external cable routing, V-brake, quick-release, rack/fender mounts
  • Fork:  Steel, V-brake, 1-1/8" steerer, QR, rack & fender mounts
  • Number of Gears:  21
  • Gear Shifters:  Shimano EF500, 7-speed
  • Chainset:  Shimano Tourney, 3-piece
  • Chainrings:  48/38/28T
  • Rear Cassette:  Shimano HG200, 7-speed, 12-32t
  • Chain:  KMC X8 w/ Missing Link, 8-speed
  • Front Derailleur:  Shimano Tourney, top-swing, 31.8mm band clamp
  • Rear Derailleur:  Shimano Tourney TX, 7-speed
  • Bottom Bracket:  BSA, square-taper, 68mm
  • Pedals:  Specialized Body Geometry Fitness, platform, plastic
  • Rims:  700C rim brake, double-wall alloy, 22mm depth, 21mm internal width, 32h
  • Front Hub:  Alloy, loose ball bearings, quick-release, 32h
  • Rear Hub:  Alloy, loose ball bearings, quick-release, 7-speed freehub, 32h
  • Front Tyre:  Nimbus 2 - 700x32C, no reflective sidewall
  • Rear Tyre:  Nimbus 2 - 700x32C, no reflective sidewall
  • Brakes:  V-brake linear pull
  • Handlebars:  Double-butted alloy, 5-degree backsweep, 25.4mm
  • Handlebar Grips or Tape:  Specialized Body Geometry Women's XCT, lock-on
  • Headset:  Not Available
  • Stem:  20-degree, 25.4mm clamp
  • Saddle:  Specialized Aldia Sport, steel rails, 155mm
  • Seatpost:  Alloy, 12mm offset, 2-bolt clamp, 27.2mm
  • Accessories:  N/A
  • Weight:  Not Available
  • Front Tyre:  Specialized Nimbus II Sport Reflect, 60TPI, wire bead w/ Black Belt protection, 700x32mm
  • Rear Tyre:  Specialized Nimbus II Sport Reflect, 60TPI, wire bead w/ Black Belt protection, 700x32mm
  • Brakes:  Promax F1, hydraulic disc, flat-mount, 140mm
  • Handlebars:  Double-butted alloy, 9-degree backsweep, 31.8mm
  • Handlebar Grips or Tape:  Specialized Body Geometry Women's XCT, lock-on
  • Headset:  Not Available
  • Stem:  Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
  • Saddle:  Specialized Aldia Sport, steel rails, 155mm
  • Seatpost:  Alloy, 12mm offset, 2-bolt clamp, 27.2mm
  • Accessories:  N/A
  • Weight:  Not Available

Hybrid Bike Sizing Guide

Hybrid bikes as the name suggests are a blend of a road bike and a mountain bike. The fit is a little more precise than a mountain bike, and a little less than a road bike, so you do see a mixture of t-shirt style sizing and measurements in CM and INCHES too. The fit will be more relaxed than a classic road bike though, and is designed to be a little more forgiving and upright.

What is your height? Your suggested bicycle size
Feet/Inches Centimetres Suggested Size
4'10" - 5'2" 148cm - 158cm X-Small (13 - 14") 33 - 37cm
5'2" - 5'6" 158cm - 168cm Small (15 - 16") 38 - 42cm
5'6" - 5'10" 168cm - 178cm Medium (17 - 18") 43 - 47cm
5'10" - 6'1" 178cm - 185cm Large (19 - 20") 48 - 52cm
6'1" - 6'4" 185cm - 193cm X-Large (21 - 22") 53 - 57cm
6'4" - 6'6" 193cm - 198cm XX-Large (23 - 24") 58 - 61cm

If you need any more advice on bike sizing for hybrid bikes please contact us and we can help you make the right choice.

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