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  • Cortex SLX in Mint
  • Cortex / Medium
  • Cortex / Medium
  • Cortex / Medium
  • Cortex / Medium
  • Cortex / Medium
  • Cortex / Medium
  • Cortex / Medium
  • Cortex / Medium
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    • Cortex SLX in Mint
    • Cortex / Medium
    • Cortex / Medium
    • Cortex / Medium
    • Cortex / Medium
    • Cortex / Medium
    • Cortex / Medium
    • Cortex / Medium
    • Cortex / Medium
    Sonder Bikes Ready to Ride Deals

    Cortex / Medium

    Short-travel 29er

    £1,499 £2,349

    This is an Ex Demo/Display based at our store in Bristol. For more info please call our Metrocentre Sonder bike expert on Tel: 0191 603 0939.

      Pre-order now for despatch from . We'll keep you up-to-date with your order progress and despatch as soon as it is available.

      • Free Delivery Over £50

      • Free Returns

      **Lead image represents the bike for sale, please see store pics for the actual bike.

      Features

      Up to Date Trail Bike Geometry

      Trail bike Agility with Enduro bike stability, the Cortex has a confidence inspiring, stable and forgiving ride.

      Metric Shock Standard

      Designed around metric shock sizing standard, with lengthened shocks and shorter strokes that increase bushing overlap for more smooth, supple, sensitive and reactive suspension action.​

      Horst link suspension design

      The tried and tested Horst link suspension design allows the suspension to stay active when braking.​

      Tyre Clearance

      ​Clearance for up to 29 x 2.6in tyres.

      Internal Cable Routing

      ​Internal routing in the front triangle for clean lines.

      Geometry and Sizing

      Sizing

      SizeSmallMediumLargeX-Large
      Rider Height

      5ft 2in - 5ft 7in 

      (158-173cm)

      5ft 6in - 5ft 10in

      (170-177cm)

      5ft 9in - 6ft 2in

      (175-187cm)

      6ft 2in + 

      (187cm +)

      ST - Seat tube400410440460
      ETT - Estimated top tube576597625647
      HT - Head tube100105115125
      HA - Head angle65656565
      AC - Axle to crown550550550550
      SA - Seat angle75.675.675.675.6
      CS - Chainstay440440445445
      BB - BB drop40404040
      FO - Fork offset44444444
      WB - Wheelbase1173119512291253
      RE - Reach420440465485
      SK - Stack608614624633
      Frame Spec

      Alloy 29er short travel full suspension trail bike 

      Weight: S: 2.73kg; M: 2.91kg; L: 3.05kg; XL: 3.11kg
      Hydroformed and custom butted alloy frame tubing
      Internal cable routing
      Rear Shock: Rockshox Deluxe Select+ 190 x 45mm
      Horst link suspension layout
      120mm rear travel; 130mm fork travel
      Clearance for up to 29 x 2.6" wide tyres
      73mm BSA threaded bracket shell
      148 x 12mm rear thru-axle
      31.6mm seat tube, 34.9mm clamp
      ZS44/28.6| ZS56/40 headset (frame and rear shock does not come with headset)