Name: Signal St GX Eagle Aggressive steel 29er hardtail
Brand: Sonder
Price: 3349.0 USD
Availability: InStock

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Signal St GX Eagle

Aggressive steel 29er hardtail

$3,349

or from £550/mo

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A fast and aggressive steel 29er hardtail trail bike with SRAM GX Eagle 1x12 groupset and Rockshox Revelation RC fork: the bike that inspires confidence on fast, flowy trails and big mountains

Buy Now. Be Riding in 5 days.

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Size
- Small
- Medium
- Large
- X-Large
Colour
- Copper
- Gunmetal

Size:
Colour:

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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.

Handlebar

Sonder Aspect Riser 780mm

+$0.00

Sonder Aspect Riser 780mm

+$0.00

sonder aspect carbon flat handlebar flatbar

Sonder Aspect Carbon Riser 780mm

~~+$129.99~~ +$99.99

Sonder Scope Handlebar 760mm

~~+$49.99~~ +$42.49

Saddle

Sonder Abode Black / 138

+$0.00

Sonder Kura

+$49.99

Sonder Zone 152 / Black

~~+$44.99~~ +$37.49

Brooks B17 Saddle Standard / Black

~~+$169.99~~ +$139.99

Brooks Cambium C17 Saddle [OEM] / All Weather / Black

Brooks Cambium C17 Saddle / All Weather / Black

~~+$149.99~~ +$119.99

Seatpost

X-Fusion Manic Drop Seatpost and Lever 31.6mm / 125mm

+$0.00

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

+$0.00

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

+$0.00

RockShox Reverb / 150mm Drop / 31.6 x 440mm

+$199.99

RockShox Reverb / 125mm Drop / 31.6 x 390mm 1

+$0.00

Stem

Sonder Piskie 31.8mm / 35mm

+$0.00

Sonder Piskie 31.8mm / 45mm

+$0.00

Sonder Talo 35

~~+$57.49~~ +$49.99

Sonder Talo 45mm

~~+$57.49~~ +$49.99

Forks

RockShox Pike Ultimate RCT3 / 29 / 130mm 29er / 130mm

+$0.00

Tubes

WTB Inner Tube / 29 / 2.2-2.4 Black

+$0.00

Tubeless Tyre Upgrade and Setup

+$57.49

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Bottle Cages

No Bottle Cages (none)

+$0.00

Sonder Blade Black

~~+$19.99~~ +$19.99

Sonder Blade Black / Pair

+$0.00

love mud side blade side loading bottle cage left and right

Sonder Sideblade Black / Left Entry

+$0.00

Sonder Sideblade Black / PAIR

+$0.00

love mud side blade side loading bottle cage right

Sonder Sideblade Black / Right Entry

+$0.00

Sonder Buzz Wire Pair

~~+$14.99~~ +$12.49

Ti Wire Bottle Cage Single

~~+$57.49~~ +$49.99

Ti Wire Bottle Cage Pair

~~+$99.99~~ +$84.99

Lights

No Lights (none)

+$0.00

Lights Accessories

No Bike Light Accessories (none)

+$0.00

Helmet Mount Black

~~+$9.99~~ +$8.99

Garmin Outfront Mount / Black

~~+$32.49~~ +$24.99

Mudguards

No Mudguards (none)

+$0.00

Sonder Defender Mudguards 45mm

+$0.00

Sonder Defender Mudguards 55mm

+$0.00

Sonder Fender Front MTB

~~+$8.99~~ +$7.99

Pedals

No Pedals (none)

+$0.00

Sonder Torque Black

~~+$49.99~~ +$44.99

Sonder Reko

~~+$74.99~~ +$64.99

Sonder Slingshot Black

~~+$99.99~~ +$84.99

Initial Price

Signal St GX Eagle / Select a frame...

$3,349.00

Extras

$0.00

Total Price

$3,349.00

Buy Now. Be Riding in 5 days.

The Signal is for flat out speed.

At a glance

SRAM GX Eagle 12-speed groupset
Rockshox Pike Ultimate fork
Sonder Alpha 29" wheelset
X-Fusion Manic dropper seatpost

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.

Build Spec

Frameset
Frame:	Signal St Frame \| Steel
Fork:	RockShox Pike Ultimate \| 130mm (travel)
Headset:	FSA Orbit C-40-ACB

Groupset
Shifters:	SRAM GX Eagle Trigger \| 1x \| 12-speed
Brakes:	SRAM G2 R \| Hydraulic \| Post Mount
Rotors:	SRAM Centerline \| 180mm (front), 160mm (rear) \| 6-bolt
Rear derailleur:	SRAM GX Eagle \| Long cage \| 12-speed
Chainset:	SRAM GX Eagle DUB \| 170mm \| 32t
Cassette:	SRAM XG1275 Eagle \| 10-52t \| 12-speed
Chain:	SRAM GX Eagle \| 12-speed
Bottom bracket:	SRAM DUB \| BSA \| 73mm

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 2.2-2.4"

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:	XS: TBC S: 2.91kg; M: 3.0kg; L: 3.01kg; XL: 3.02kg;
Build:	XS: TBC S: TBC M: TBC L: TBC XL: TBC

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 (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

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
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)

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