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Sonder Transmitter GX Eagle Pike

Perfectly poised alloy hardtail mountain bike with SRAMs new GX Eagle Drivetrain and Pike forks. There aren’t the words in the English language that can begin to express how good this bike is, you’ll just have to try it.

£1899.00 Was: £2099.00
List Price: £2449.00

Available on finance, from per month*

Pictures are for illustration and some components and finishing kit of this build may be different. Please refer to the detailed spec sheet before placing an order.

How To Order

All our bikes are built individually to order. If you want to change any part of the spec to suit your needs then get in touch.

  • Transmitter Frame

  • 1. Select Size

    Please select a size. See the fitting guide for size information

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    Small
    In Stock
    Medium
    In Stock
    Large
    In Stock
    X-Large
    2. Select Colour

    Please select a colour. If your desired colour is not available, you can request a Stock Alert and you will be emailed when the product is either back in-stock or on pre-order.

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    Rocket
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    Gunmetal
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    Black

    Please choose from the options above

    Please make sure you have read and understood the terms of a Pre-Order purchase before placing your order. Payment will be taken immediately and your item will be despatched when stock arrives. If you require additional items please place a separate order as it will be held and sent together. More about Pre Orders

Please allow 15 working days for us to build, check, pack and despatch your Sonder.

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Alpkit Ltd acts as a credit intermediary and offer credit products provided exclusively by Klarna Bank AB (publ). Klarna Bank AB (publ) is Authorised by the Swedish Financial Services Authority (Finansinspektionen) and is subject to limited regulation by the Financial Conduct Authority. Details about the extent of our regulation by the Financial Conduct Authority are available from us on request. Finance is only available to permanent UK residents aged >18, subject to status, terms and conditions apply. Registered office: Sveavägen 46, 111 34 Stockholm, Sweden. Corporation ID number: 556737-0431.
At a Glance
  • Quick, agile, and stable for trail centres and big mountains
  • Frame: Sonder Transmitter, hand welded 6061-T6 triple butted frameset, vertically compliant laterally stiff tubing
  • Drivetrain: SRAM GX Eagle
  • Forks: Rockshox Pike RCT3
  • Seatpost: Rockshox Reverb Stealth dropper
  • Wheelset: LoveMud 650b+ boost
  • Tyres: WTB Rangers

Transmitter: aggressive 650b hardtail mountain bike for taking on trails guns blazing; Snowdon on a sunny Autumn day or the Colorado singletrack. Yet, you can still whip around Cannock Chase on a Sunday afternoon with great agility.

A flattened top tube gives vertical compliance but lateral stiffness; an all mountain bike that gives the stability of a fat-bike shrunk in the wash with the nimbleness of a trail bike.

Boost 148 and 100, external bolted cable solutions, integrated headsets, through-axle hubs, formed butted smooth-welded tubing gives precise handling.

Transmitter is to ride and enjoy. Easy to ride and maintain. And funner. Much funner

.

Vertical compliance and lateral stiffness

The strikingly flattened top tube is the spoonful of black magic we need to make the frameset both rigid and forgiving in all the right places. Stable yet nimble, the geometry has been tweaked to give a spirited ride.

Hand welded 6061-T6 triple butted frameset

Not all tubes are equal, Transmitter uses tube walls of different thicknesses to get material where it is needed and save weight where it isn’t.

Dropper seatpost ready

The Transmitter frame is compatible with a dropper seatpost so even the most sheepish riders can tackle those steep sections head on like a pro.

Tapered head tube

Whoever would choose to be a head tube? You might as well step into the ring with Mike Tyson. This is a critical junction point where force is distributed around the frame and steering precision is won or lost. Transmitter has a wide tapered head tube to house your internal bearings, distributing force more evenly whilst improving steering over broken terrain.

Boost ready

Transmitter is designed around the new Boost standard and corresponding 52 mm chainline for better steering stiffness and increased wheel support.

Chain guide ready

​Transmitter can be fitted with a chain guide. (ISCG 05 compatible).

Wheel compatibility

​Transmitter is designed to run with 650b+ tyres at both ends.

Frame spec

Alloy hardtail trail bike frame

Weight (kg): S: 2.0; M: 2.03; L: 2.07; XL: 2.1
Alloy trail frame with integrated tapered headset for a clean, low front end
Hand welded 6061-T6 triple butted frameset
High-quality extended welds
Optimised for 130 mm suspension forks
Bolted cable guides for precision cable placement and retention
Durable anodised finish
Boost148 rear spacing for wheel strength and optimal chainline
Threaded 73 mm BSA BB shell for no-creak assembly
Chainstay mounted disc brake for clean lines and damage protection
Adventure cage compatible downtube mount
Reverb Stealth port
EN 14766 compliant
The Transmitter frame is suited to a low profile 2.8” tyre or aggressive 2.6” tyres, some larger 2.8”s may rub the chainstays in use

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 +

Transmitter

Size Small Medium Large X-Large
ST - Seat tube 395 445 470 490
TT - Top tube 593 622 642 659
HT - Head tube 110 120 120 130
HA - Head angle 65 65 65 65
SA - Seat angle 73 73 73 73
CS - Chainstay 425 425 425 425
BB - BB drop 42 42 42 42
FO - Fork offset 46/51 46/51 46/51 46/51
WB - Wheelbase 1139 1163 1183 1208
SO - Stand over 740 770 790 810
RE - Reach 410 430 450 470
SK - Stack 599 608 608 618

Transmitter (Gunmetal only)

Size Small Medium Large
ST - Seat tube 410 467 505
TT - Top tube 595 615 631
HT - Head tube 120 120 120
HA - Head angle 65 65 65
SA - Seat angle 72.5 72.5 73
CS - Chainstay 425 425 425
BB - BB drop 42 42 42
FO - Fork offset 42/51 42/51 42/51
WB - Wheelbase 1130 1150 1175
SO - Stand over 748 773 796
RE - Reach 406 426 446
SK - Stack 610 610 610
Build SRAM GX Eagle
Frameset
Frame Sonder Transmitter, 6061-T6 Hand Welded Alumminium
Fork RockShox Pike RCT3, 130mm Travel, Boost 29/27.5+
Headset Love Mud Rumour
Spacers Love Mud OEM Spacers
Seatclamp Love Mud Vice 34.9 mm
Groupset
Brake Front SRAM Guide R
Brake Rear SRAM Guide R
Rotor Front Avid Centreline 180 mm
Rotor Rear Avid Centreline 160 mm
Rear Mech SRAM GX Eagle Derailleur
Shifter Rear SRAM GX Eagle Shifter
Chainset SRAM GX Eagle Boost Chainset, 175mm, 34T X-Sync chainring
Bottom Bracket SRAM DUB Bottom Bracket
Chain SRAM GX Eagle Chain
Cassette Sram XG1275 Eagle Cassette 10-50t
Finishing Kit
Stem Love Mud Piskie Stem 35 mm
Seatpost RockShox Reverb Stealth, 125mm Drop, 31.6mm
Saddle Love Mud Abode
Tape/Grips Love Mud Grabby
Handlebars Love Mud Aspect Riser, 780 mm
Wheels
Wheels Love Mud Rumpus 650b+ Boost (Tubeless Ready)
Front Tyre WTB Ranger 2.8, Light Casing, High Grip
Rear Tyre WTB Ranger 2.8, Tough Casing, Fast Rolling
Tube WTB
Weight
Frame only S: 2.0 kg; M: 2.03 kg; L: 2.07 kg; XL: 2.1 kg
Built S: 13.3 kg; M: 13.8 kg; L: 13.9 kg; XL: 13.9 kg
   
Pedals not included with full builds

Swapouts and Upgrades

You can interchange Love Mud components on this build at no additional cost. So if you want a different length of stem, a particular saddle or bar then let us know in the notes section in the checkout and we'll get in touch. We also hold big stocks of SRAM, Rockshox, WTB and regular build with Shimano, Hope, Cane Creek. We'll build your Sonder with any part that suits your needs. Give us a call, with the same experienced mechanic helping throughout your build you know who to call if there's anything you want to know.

Click here for more information

Alpine Bond Warranty

We offer a 10 year guarantee on both our handmade titanium and Reynolds steel frames. Our hand welded 6061-T6 alloy triple butted frames and carbon frames come with a 5 year manufacturing defect warranty. All our bikes are built, checked and signed off by Cytech trained mechanics before being despatched to you in a custom-made bike box.

Kudos

Sonder - a new bike brand from British outdoors experts Alpkit

Matt Orton previews the Sonder range at the Alpkit Big Shakeout festival and picks up on the strong underlying emphasis of equipment for adventure.

Read on Bike Radar

Singletrack take a first look at the new Transmitter

Read on Singletrack

Sonder Transmitter First Ride Review Outdoors Magazine

Jon Doran test rides the Sonder Transmitter.

Read on Outdoors Magic

BikeRadar Check Out Sonder

Bike Radar come by the Sonder stand at the London Bike Show

Read on bikeradar

Bike Rumour review Sonder

US BikeRumour write up our first Sonder bikes

Read on BikeRumour

What Mountain Bike 5* Transmitter

Read on What Mountain Bike

Single track Review Sonder

Singletrack came by Sonder at the London Bike Show

Read on Singletrack

Pink Bike Checks Out Sonder

PinkBike visit us at the London Bike Show

Read on Pinkbike

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