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  • Signal ST frame in copper
  • Signal ST Frame
  • signal steel frame
  • signal steel frame logo
  • signal steel frame downtube
  • signal steel frame bottom bracket
  • signal steel frame rear axle
  • signal steel frame head tube
  • sonder signal steel - action
  • sonder signal steel - action
  • sonder signal steel - action
  • sonder signal steel - action
  • sonder signal steel - action
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    • Special Offer

    Signal ST Frame

    Aggressive steel 29er hardtail frame

    €849 €924

    1

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    A fast and aggressive steel 29er hardtail trail bike frame: the bike that inspires confidence on fast flowy trails and big mountains
    Buy Now. In stock for same day despatch.

    1

    Select Options

    Edit

    • Size
    • Colour
    • Size:

    • Colour:

    2

    Customize

    Edit

    Every Sonder bike is built to order so tell us exactly how you want it. Make any changes you want from the standard build and when you're done, just hit “Add to Bag” at the bottom of the page.

      3

      Select Accessories

      Edit

      Headset

      No Headset
      No Headset

      +€0,00

      FSA Orbit C-40-ACB Headset / 7.8mm Spacer
      FSA Orbit C-40-ACB Headset / 7.8mm Spacer

      +€34,99 +€34,99

      FSA Orbit C-40-ACB Headset
      FSA Orbit C-40-ACB Headset 7.8mm Spacer

      +€0,00

        Initial Price

        Signal ST Frame / Select a frame...
        €849,00

        Extras

        €0,00

        Total Price

        €849,00
        Buy Now. In stock for same day despatch.

        The Signal is for flat out speed.

        It pedals like an XC bike, descends like an enduro bike, and captures the rawness of riding a hardtail on fast, flowy singletrack. Stand up, sprint, and ride it hard on the groomed trails at Llandegla and Glentress or take it to big mountains and let loose.

        That low BB and long wheelbase gives a planted and stable feel through the corners and when tackling high speed descents. The low stack height leaves you with less of that ‘tall’ 29er feeling – you’ll feel like you’re 'in' the bike, not on the bike.

        Big wheels roll faster. The 29" wheels can be paired with 2.2 to 2.6in tyres with clearance for winter conditions.

        The Signal Steel rides beautifully – it’s got that distinctive steel feel to take the edge off the biggest hits while keeping stiffness where it counts so you can accelerate out of corners and track accurately through rocks and roots.

        Features

        Aggressive trail geometry

        ​Neil has designed the Signal St to suit his aggressive riding style. A low bottom bracket makes it corner like its on rails, a spacious reach gives you room to move around on the bike, and the 66/74 head and seat angles give you the confidence to bomb the descents and while still being able to climb like a mountain goat.

        Steel Frame

        Nothing feels quite so good as the famously springy and durable Steel. Signal St’s 4130 Chromoly, Hand Welded Steel tubing absorbs shock to soften the ride without any loss to feel or speed.

        2.6” tyre clearance

        ​Bucketloads of clearance for 2.6” tyres gives you the benefits of higher volume tyres without getting clogged up in UK conditions.

        Geometry and Sizing

        Sizing

        It is important to get the right size bike, if the bike fits it will be faster, more comfortable, and easier to handle. You can also take into consideration the standover height to ensure you pick a bike that will be a good fit. If you measure your inside leg and ensure there is a minimum of an inch from the toptube to your crotch this will give you enough seatpost adjustment to find your optimum saddle height.

        Generally we recommend:
        Small: Riders between 5ft 2in and 5ft 7in (157-170cm)
        Medium: Riders between 5ft 6in and 5ft 10in (167-177cm)
        Large: Riders between 5ft 9in and 6ft 2in (175-187cm)
        X-Large: Riders of 6ft 2in + (187cm)

        Size Small Medium Large X-Large
        ST - Seat tube 400 425 465 485
        ETT - Effective Top Tube 592.5/td> 613.8 633.6 663.7
        HT - Head tube 100 106 115 125
        HA - Head angle 66 66 66 66
        SA - Seat tube angle 74 74 74 74
        CS - Chainstay 425 425 430 435
        BB - BB drop 65 65 65 65
        FO - Fork offset 42/51 42/51 42/51 42/51
        WB - Wheelbase 1134.7 1156.7 1183 1230
        SO - Standover 730 738 760 772
        RE - Reach 420 440 465 495
        SK - Stack 601.5 606.1 633.6 663.7
        Tyre
        Frame Spec

        Steel 29er hardtail mountain bike frame

        Weight: S: 2.91kg; M: 3.0kg; L: 3.01kg; XL: 3.02kg
        4130 Chromoly, Hand Welded Steel frame
        148mm boost thru axle standard
        Clearance for 2.6” tyres
        Headset: IS42/28.6 | IS52/40 (not included)
        73mm BB shell
        External cable routing for brake and gear cables
        Stealth dropper routing
        31.6mm seatpost diameter, 34.9mm clamp
        Optimised for 130mm travel suspension fork (42 or 51mm offset)

        • Signal ST frame in copper
        • Signal ST Frame
        • signal steel frame
        • signal steel frame logo
        • signal steel frame downtube
        • signal steel frame bottom bracket
        • signal steel frame rear axle
        • signal steel frame head tube
        • sonder signal steel - action
        • sonder signal steel - action
        • sonder signal steel - action
        • sonder signal steel - action
        • sonder signal steel - action