Buy Now

Signal Ti Pinion

Aggressive titanium 29er hardtail

£4,299.00

The Signal is fast, it’s for flat out speed.

It pedals like an XC bike, descends like an enduro bike, and c...

Signal Ti Pinion

Signal Ti Pinion
Photos for illustration purposes. Please check the bike spec for detailed component listings.
Buy Now

Signal Ti Pinion

Aggressive titanium 29er hardtail

£4,299

An aggressive titanium 29er hardtail trail bike with Pinion C1.12 gearbox and Cane Creek Helm MK2 Air fork: the bike for flat-out speed and sessioning the groomed trail centre trails

Read more

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Buy Now. Deliveries from 25 June.

Buy Now

Signal Ti Pinion

Aggressive titanium 29er hardtail

£4,299

An aggressive titanium 29er hardtail trail bike with Pinion C1.12 gearbox and Cane Creek Helm MK2 Air fork: the bike for flat-out speed and sessioning the groomed trail centre trails

Buy Now. Deliveries from 25 June.

  • Please select

    • Customise

    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.

    Accessories

  • Seatpost

    • X-Fusion Manic Drop Seatpost and Lever 31.6mm / 150mm

      • X-Fusion Manic Drop Seatpost and Lever

      The X-Fusion Manic Dropper has been designed to work well across cross-country, trail, all mountain and enduro riding.

      It works on a simple design. Inside you’ll find a closed cartridge that is both sealed and designed to be easily removable from the rest of the post. Simple construction aside, the action of this post feels super-smooth and silky.

    • X-Fusion Manic Drop Seatpost and Lever 31.6mm / 170mm

      • X-Fusion Manic Drop Seatpost and Lever

      The X-Fusion Manic Dropper has been designed to work well across cross-country, trail, all mountain and enduro riding.

      It works on a simple design. Inside you’ll find a closed cartridge that is both sealed and designed to be easily removable from the rest of the post. Simple construction aside, the action of this post feels super-smooth and silky.

    • RockShox Reverb / 125mm Drop / 31.6 x 390mm

      +£49.99

      • RockShox Reverb / 125mm Drop / 31.6 x 390mm

      The RockShox Reverb provides effortless actuation and increased reliability featuring new Vent Valve Technology.

      With reduced overall post lengths and new travel options, riders of all shapes and sizes benefit from more travel than ever before. The Reverb Stealth is just really, really reliable at simply going up and down.

    • RockShox Reverb / 150mm Drop / 31.6 x 440mm

      +£49.99

      • RockShox Reverb / 150mm Drop / 31.6 x 440mm

      The RockShox Reverb provides effortless actuation and increased reliability featuring new Vent Valve Technology.

      With reduced overall post lengths and new travel options, riders of all shapes and sizes benefit from more travel than ever before. The Reverb Stealth is just really, really reliable at simply going up and down.

    Stem

    • Sonder Piskie / 31.8mm / 35mm

      • Sonder Piskie [OEM] /

    • Sonder Piskie / 31.8mm / 45mm

      • Sonder Piskie [OEM] /

    • Sonder Piskie / 31.8mm / 55mm

      • Sonder Piskie [OEM] /

    • Sonder Talo 35

      +£34.99

      • Sonder Talo

      Talo is a sturdy CNC machined aluminium performance mountain bike stem with four bolt clamp to hold your bar firmly in place.

      Opposing bolts on the steer tube clamp give extreme clamping power while reducing stress on the steer tube. Machining shaves unnecessary weight to specifically engineer it for trail and all-mountain riding.

      It's built for the trail and stiff for its weight to give precise and immediate handling.

      • compatible with all 31.8mm handlebars and 28.6mm steerer tubes
      • 0° rise
      • 6061-T6 aluminium construction
      • Weighs just 127g (35mm length)
      • Available in 35mm and 45 mm lengths

      The humble stem has a significant effect on your bike's geometry and as a result its performance and your comfort. A shorter stem results in faster handling and a more upright riding position. Longer stems increase reach with slower more predictable handling.

      Experiment with different length stems or get a pro bike fit to hone your perfect set-up.

      Note. The length of a stem isn’t its overall length, from the very front to the very back, but the distance from the central point on the steerer tube and the centre of the handlebar.

       

    • Sonder Talo 45mm

      +£34.99

      • Sonder Talo

      Talo is a sturdy CNC machined aluminium performance mountain bike stem with four bolt clamp to hold your bar firmly in place.

      Opposing bolts on the steer tube clamp give extreme clamping power while reducing stress on the steer tube. Machining shaves unnecessary weight to specifically engineer it for trail and all-mountain riding.

      It's built for the trail and stiff for its weight to give precise and immediate handling.

      • compatible with all 31.8mm handlebars and 28.6mm steerer tubes
      • 0° rise
      • 6061-T6 aluminium construction
      • Weighs just 127g (35mm length)
      • Available in 35mm and 45 mm lengths

      The humble stem has a significant effect on your bike's geometry and as a result its performance and your comfort. A shorter stem results in faster handling and a more upright riding position. Longer stems increase reach with slower more predictable handling.

      Experiment with different length stems or get a pro bike fit to hone your perfect set-up.

      Note. The length of a stem isn’t its overall length, from the very front to the very back, but the distance from the central point on the steerer tube and the centre of the handlebar.

       

  • Forks

    • RockShox Pike Ultimate RCT3 29er / 130mm

      • RockShox Pike Ultimate RCT3

    • Cane Creek Helm MK2 Air / 29 / 130mm 130mm

      +£149.99

      • Cane Creek Helm MK2 Air / 29 / 130mm

  • Tubes

    • WTB Inner Tube / 29 / 2.4 - 2.8 Black

      • WTB [OEM] Inner Tube / 29 / 2.4 - 2.8

    • Tubeless Tyre Upgrade and Setup

      +£44.99

      • Tubeless Tyre Upgrade and Setup

      Go tubeless

  • Lights accessories

    • No Bike Light Accessories (none)

      • No Bike Light Accessories

    • Helmet Mount Black

      +£4.99

      • Helmet Mount

      The Helmet Mount allows you to attach your Alpkit bike light to your helmet so you can scan the trail ahead and fly round sharp bends without having to wait for your handlebar light to catch up.

      The Velcro straps thread through your helmet vents and a three-pronged pivot with screw tightener allows you to adjust your lighting angle securely. The Helmet Mount is compatible with the Phase 400, Phase 800, Ariel, Hadron.

    • Cockpit Mount Black

      +£15.99

      • Cockpit Mount

      The Cockpit Mount combines two mounts on one arm so your bars aren’t covered in devices. Sticking out front, the twist lock Garmin mount makes it easier to route find and operate on the move. And you can attach your bike light underneath so your screen isn’t affected by any glare.

      The arm positions both your lights and GPS more centrally and is made from durable aluminium. The bracket attaches with screws and comes with an assembly pack so you can fit it securely. The Cockpit Mount fits the Phase 400, Phase 800, Ariel and Hadron lights.

  • Pedals

    • No Pedals (none)

      • No Pedals

    • Sonder Torque Black

      +£29.99

      • Sonder Torque

      Combining the Comfort of plastic with the grip of metal pedals. 

      A tough large platform, thin profile thermoplastic body with replaceable steel pins. The Cromoly axle gives durability and strength that you can depend on.

      LSL bushing combined with a sealed bearing keeps the pedals turning in all weather conditions.

      We have tried and tested these pedals and they have stayed true through winter and summer trails.

    • Sonder Reko

      +£50.99

      • Sonder Reko

      The Reko are lightweight SPD pedals designed gravel riding and cross-country mountain biking over longer distances.

      The Reko's platform-free design reduces the overall weight of the pedals to 145g per pedal for lighter, faster riding. Double-sided SPD bindings are easy to clip in and out of and their compact design means they're less likely to clog with muck on filthy winter rides.

      The clip-in design improves the efficiency of your pedal strokes, saving energy on long rides and improving power transfer on climbs, and gives you more control of the back end of the bike.

    • Sonder Jekyll Black

      +£59.99

      • Sonder Jekyll

      Jekyll is two faced; SPD's and flats all in one, multi-purpose mtb touring pedals.

      Jekyll gives you the freedom to ride with normal shoes or with cleats. Jekyll combines a single sided SPD mechanism with a flat pedal body with grip pins on the other. They are ideal for riders who switch frequently from the daily commute to nipping down to the local shop for a pint of milk in their loafers.

      The flat side has 8 replaceable grip pins, 4 mm long, they provide grip in all conditions. When you are ready to get your power on the cleats are just a half rotation away - no swapping your pedals out.

      Jekyll also comes provided with Sonder 'SH-51 style' cleats.

    • Sonder Slingshot Black

      +£59.99

      • Sonder Slingshot

      The wide platform Slingshot pedal is designed to provide the support, control and confidence you need for a variety of riding, whether on trail, gravel or road.

      • Wide 87x90 platform made from 6061 aluminium
      • Double-sided adjustable SPD clips
      • Chromoly axle with sealed bearings

      The Slingshot's wide foot platform provides plenty of support to the foot for more comfortable pedalling over long distances, reducing hot-spots. This additional foot support also gives you greater control of the rear end of the bike on tight turns or technical trail.

      If you're using the Slingshot for mountain biking, the pedal's wide surface gives you a platform to stand on unclipped, ready to bail out if needed, on heart rate-quickening sketchy sections.

      With double-sided SPD clips and a large pedal area, the Slingshot is easy to clip in and out of in a hurry. A clipless system provides greater pedalling efficiency when climbing and more control when descending.

  • Handlebar

    • Sonder Aspect Riser 780mm

      • Sonder Aspect Riser [OEM]

      In general riser bars tend to be wider than flat bars and may have slightly more flex to give a more forgiving ride. As you go into descents and your arms drop below your knees the additional height gained on your front end will help you take control of the steep descents.

      That said you can get all bar types in a range of widths and stiffnesses and front end height can be adjusted with spacers like our Sonder Rings, so sometimes you just have to ignore the mumbojumbo and make your call on style and personal preference and there is nothing wrong with that.

    Saddle

    • Sonder Abode Black / 138

      • Sonder Abode [OEM]

      High density foam padding over a plastic base provides comfort and longevity. A v-shaped split at the rear of the saddle allows flex as you are riding, increasing shock absorbancy and reducing pressure on the spot between your sit bones.

      Scooped up at the back with a slight rise towards the nose the longitudinal profile provides a cupped, craddled seating position, a timeless, proven design for distance on and off the road or climbing in the mountains.

      Stainless steel rails give 50 mm of forward and back adjustment to help you find your sweet spot.

      All our Sonder bikes come with Abode fitted as standard.

    • Sonder Abode Black / 158

      • Sonder Abode [OEM]

      High density foam padding over a plastic base provides comfort and longevity. A v-shaped split at the rear of the saddle allows flex as you are riding, increasing shock absorbancy and reducing pressure on the spot between your sit bones.

      Scooped up at the back with a slight rise towards the nose the longitudinal profile provides a cupped, craddled seating position, a timeless, proven design for distance on and off the road or climbing in the mountains.

      Stainless steel rails give 50 mm of forward and back adjustment to help you find your sweet spot.

      All our Sonder bikes come with Abode fitted as standard.

Initial Price
£4,299
Frame
Signal Ti Pinion
Size
Extras
£0
Total Price
£4,299

Buy Now. Deliveries from 25 June.

Description

The Signal is fast, it’s 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 groomed descents at Llandegla and Glentress or take it to the big mountains and get loose.

Every Signal Ti Pinion is built to order. This means the geometry, the tube lengths, the specification, everything is chosen exactly for you, your partner and the journeys you'll take together.

It takes six months from the first conversations we have with you to getting your Signal Ti Pinion for your first ride. In this time we'll talk exactly about what you need and where you're going so that we can design and build your perfect tandem. It's actually a joyful six months, filled with the involvement of having a bike built especially for you, knowing the care and complete obsession over the detail that's going into it. Neil and our team of designers and builders are in touch every step of the way. It's a truly special experience.

At a glance

  • Pinion C1.12 gearbox
  • Cane Creek Helm MK2 Air fork
  • Sonder Alpha 29" Uk made wheelset
  • X-Fusion Manic dropper seatpost

That low BB and long wheelbase gives a planted and stable feel through the corners and on 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 in wheels can be paired with 2.2 to 2.6ins tyres with clearance for winter conditions.

The titanium Signal frame is stiff, light and durable. 3Al 2.5V Aeronautical grade titanium tubing softens trail buzz and provides the engaging and lively feel that only Titanium can.

Why Pinion?

The pinion version of the Signal puts all the moving parts of the gear system out of harm’s way and gives an almost silent, well-balanced ride.

It’s a low maintenance dream - you can cover 10,000km before you need to think about an oil change. The range of gears is just enormous (600%) and because of the way the gearbox works you can dump all of them in one go if you get caught out at the bottom of a brutal climb. It’s an amazing experience.

All the weight of the gears are low and central with a pinion gearbox so handling of the Signal Pinion is beautifully balanced and assured.

Features

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.

Aggressive trail geometry

​Neil has designed the Signal Ti 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.

Guided internal cable routing

​Guided internally routed cables for a clean look and silent ride.

Titanium frame

Nothing looks quite so good as the famously resilient and durable titanium. Signal Ti’s aeronautical grade titanium tubing absorbs shock to soften the ride without any loss to feel or speed. ​

Custom available

​We can customise any aspect of our Ti bikes. Come to us with what you want and Neil will make it happen.

Build Spec
Frameset
Frame:Signal Ti Frame | Titanium
Fork:RockShox Pike Ultimate | 130mm (travel)
Headset:FSA Orbit C-40-ACB
Groupset
Shifters:Pinion Rotary | 1x | 12-speed
Brakes:SRAM G2 R | Hydraulic | Post Mount
Rotors:Avid Centreline | 180mm (front), 160mm (rear) | 6-bolt
Gearbox:Pinion C1.12 | 12-speed
Chainset:Pinion Forged | 170mm | 30t
Cassette:Pinion Rear Chainring | 30t
Chain:Pinion X1 | 12-speed
Bottom bracket:n/a
Wheelset
Wheels:Sonder Alpha 29" UK Made
Front tyre:Goodyear Newton MTF Trail Tubeless | 29 x 2.5" | Black
Rear tyre:Goodyear Newton MTR Trail Tubeless | 29 x 2.4" | Black
Tubes:WTB | 29 x 2.4-2.8"
Finishing kit
Handlebars:Sonder Aspect Riser | 780mm
Stem:Sonder Piskie
Seatpost:X-Fusion Manic | 31.6mm
Saddle:Sonder Abode
Grips:Sonder Clutch | Black
Weight
Frame:S: 1.9kg; M: 1.95kg; L: 2.0kg; XL: 2.06kg
Build:
Pedals not included with full builds
Specifications are subject to change without notice
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
Medium: Riders between 5ft 6in and 5ft 10in
Large: Riders between 5ft 9in and 6ft 2in
X-Large: Riders of 6ft 2in +

Size Small Medium Large X-Large
ST - Seat tube 400 425 465 485
ETT - Effective Top Tube 585 606 634 664
HT - Head tube 100 105 115 125
HA - Head angle 66 66 66 66
SA - Seat tube angle 74 74 74 74
CS - Chainstay 430-450 430-450 430-450 430-450
BB - BB drop 65 65 65 65
FO - Fork offset 42/51 42/51 42/51 42/51
WB - Wheelbase 1127 1149 1183 1220
SO - Standover 730 738 760 772
RE - Reach 412.5 432.5 457.5 485
SK - Stack 601 606 615 624
Tyre
Frame Spec

Titanium 29er hardtail mountain bike frame

Weight: S: 1.9kg; M: 1.95kg; L: 2.0kg; XL: 2.06kg
3Al/2.5V Aeronautical Grade Hand Welded Titanium Frame
148mm boost thru axle standard
Clearance for 2.6” tyres
Headset: IS42/28.6 | IS52/40
73mm BB shell
Internal, fully guided cable routing
Stealth dropper routing
31.6mm seatpost diameter, 34.9mm clamp
Optimised for 130mm travel suspension fork (42 or 51mm offset)

Reviews
Kudos
Neil Cottam Reviews the Sonder Signal Ti

It is possibly the best all-round trail hardtail that I've ever ridden, I wanted to be out riding on it all the time - that is the mark of a good mountain bike.

Read the full review here.

Author: Neil Cottom
Singletrack Review the Sonder Signal Ti

You know that rock garden that you’ll happily hop into on your full bounce bike? Well, the Sonder will do it too, only you’ll probably lift the front end higher, get airborne further and completely clear the whole lot...

Read the full review here.

Author: Andi Sykes