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On-One Hello Dave SRAM GX Mountain Bike On-One Hello Dave SRAM GX Mountain Bike
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2 Reviews
From £1,699.99
FINANCE From £54.44/mth* More info
In stock Bikes in stock built within 22 - 24 working days

Our Sickest steel hardtail for properly insane bike park and DH action or just bombing the maddest trails in your local woods. Premium triple butted steel frame, radically stretched, slammed and slacked out like a World Cup DH racer. Add fat, sticky 29er tyres, 150mm travel RockShox Pike fork and Reverb dropper plus crazy powerful E-bike brakes and Hello Dave will make the wildest rides its wife.

Full description and spec

Size guide and geometry

Description

62 head and 77 seat angle with slammed stance and reach up to 520mm for ultimate rad ride confidence. Premium triple butted BMX steel tubing for a totally bombproof but slam smoothing vibe.Slim, shaped rear stays so it still feels alive hustling roller coaster singletrack. Fancy machined yoke for tons of tyre space even with 29 x 2.6in rubber.

Short seat tubes mean you can size up and put your front end in a different postcode if you want.Super steep seat angle and long chainstays for winching back up the steepest slopes for another go.Boost spacing and forged and machined chainstay sections for masses of mud room even around 29x2.6in tyres.

Bolt through axle for security and replaceable gear hanger for when you bend it. External cable routing and ISCG chainguide ready BB for the smoothest operation and simplest servicing. No rack mounts because it's made for psychos not cargo. 3 colours or lacquered raw finish for naked build detail appreciation.

RockShox Pike Select 150mm travel for confident all round control. DebonAir spring combines super supple traction with sorted big hit response. Short offset makes steering feel lighter at the bar but even more surefooted on the ground. Tough, slopestyle proven, 35mm legs keep you on line however crazy things get. Charger rebound and compression damping adjustment lets you dial in your ideal ride however big you are or big you go.

SRAMs Guide RE are designed for E-bikes but loved by every gravity maniac without money to burn. Monster Code DH brake power smoothly controlled with a lightweight Guide trail brake lever.

GX Eagle is the performance/price sweet spot in SRAMs MTB range. Positive, 12 speed sequential shifting up to a 50 tooth wall climbing winch. Clutch rear mech and X-Sync2 tech for quiet chain security however rowdy you get. Super broad, forged crank arms with DUB axle power up climbs and laugh off big landings.

29er wheels roll smoother and faster however rough it gets. Tough, wide tubeless ready Alex rims for extra grip and support Hand finished 32 spoke build for durable strength and sweet ride feel. Quality sealed bearing Boost axle disc hubs.

Pedals not included? Why not?.

Pedal choice Its a personal thing. Most higher end bikes are expected to be ridden with clipless pedals. These are matched to cleats on the underside of your cycling shoes. There are a few standards of these, and most cyclists tend to stick with one standard across all their bikes. So, you dont need to buy multiple pairs of shoes! Thus, Planet X dont sell bikes with pedals included. If you wish to add pedals to your order, simply select an option from the drop-down menu.

NOTE: Please make sure you check the size guide to order the correct size of this frame.

Full Spec

Custom options available
On components showing this spanner
Brake Setup UK Brake Lever Setup Rear Brake Left
Bar Tape / Grips On-One Knurl EVO Grip / Black  
Seat Clamp On-One Forged Alloy Bolt Up Seatclamp V2 / 34.9mm / 13mm / Black  
Saddle San Marco Monza Start Saddle / Black / Carbon Steel  
Handle Bar On-One Enduro6 Riser Handlebar / 780mm / 31.8mm / Black  
Stem On-One Hot Box V2 Stem / 50mm / 7 Degree / 31.8mm  
Chain SRAM SX Eagle 12 Speed Chain / 126 Link  
Gear Levers SRAM GX Eagle Trigger Shifter / 12 Speed / Right Hand  
Cassette SRAM PG-1230 Eagle 12 Speed Cassette / 11-50  
Brake SRAM Guide RE Hydraulic Disc Brake / Rear / 1800mm / 20 Post to IS  
Brake SRAM Guide RE Hydraulic Disc Brake / Front / 950mm / Post Mount (20mm Bracket)  
Crank Set SRAM GX Eagle DUB Crankset / 170mm / 32 Tooth / BOOST  
Rear Mech SRAM GX Eagle Rear Mech / 1 x 12 Speed  
Seat Post Rockshox Reverb Stealth Dropper Seatpost / 31.6mm / 2000mm Left / 467mm / 175mm  
Wheel Pair WTB I29 29er On Formula Boost 6 Bolt Wheelset / Shimano 11 Speed  
Fork RockShox Pike Select 29" BOOST Fork / 150mm / 15 x 110mm / Gloss Black / Crown Adjust  
Brake spare SRAM Hydraulic Hose Fitting Kit Includes Barb And Olive / Single Barb  
Brake spare SRAM Hydraulic Hose Fitting Kit Includes Barb And Olive / Single Olive  
Inner Tube Panaracer Inner Tube / 29 inch / 1.75-2.35 inch / Presta 48mm  
Brake spare Clarks CL Rotors / Silver / 160mm  
Head Set Planet X Headset Spacer Set / 1 1/8" / 15mm + 10mm + 5mm / Black  
Brake spare Clarks CL Rotors / Silver / 203mm  
Brake spare Avid MMX Matchmaker Clamp Black / Right  
Brake spare Avid MMX Matchmaker Clamp Black / Left  
Bottom Bracket SRAM DUB BSA Bottom Bracket / 73mm  
Head Set Selcof Zero Stack / Semi-Integrated Cup Cartridge Bearing Headset For Tapered 1 1/8th 1.5 Fork Steerer  

Frame Details

Frame Material 
Frame Weight, Approx, (med) (g)TBD kg
Fork mm
RR Axle (mm)M12 x 1.75p (Supplied)
Seatpost Size (mm)31.6
Seat Clamp Size (mm)-
Front Mech TypeNA
Wheels29er / 148 BOOST THRU
Max Tyre"
Chain GuideISCG 05 mount
Rack MountsNA
Bottle Cage Bosses1
Brake TypeDISC POST
Bottom BracketBSA 73mm
Headset Type50x40
Fork Length (mm)-
Cable Routing-
Dropper CompatibleStealth Routing

Key features

Insane steel framed DH and bike park beast that still loves local singletrack
Triple butted, BMX strong, day ride smooth steel
Full DH race 62º head angle geometry.
Dropper, chainguide and 29x2.6in tyre compatible.
SRAM Eagle GX1
12 gears,lighter, faster, better. Eagle GX1 is unstoppable, it's the most versatile groupset on the market and perfect for any mountain bike.
Yorkshire Born and Bred
All our bikes are designed and tested around the hills, moors and Dales of Yorkshire. We also hand assemble them here when you order, so we can deliver your ideal bike direct to you at an incredible price.

Buying a bike from Planet X?

Why are prices so low?
We sell direct to the customer. With Planet X you get unrivalled value for money as we cut out the middleman. By designing and building everything ourselves, we provide excellent service, and make sure you get exactly what you pay for. This means we deliver first-class bikes, components, and accessories at the best prices in our industry.

How it works
You order your bike your way. Simply select the frame size and colour you want and choose from the range of customisation options with components to fit your needs. Your bike will be passed to one of our expert mechanics to build your bike exactly the way you want it.

Buying online in confidence
For advice on sizing and specifications, contact us via Live Chat and one of our in-house experts will be happy to assist with perfecting your bike. More information on building a bike is available on our dedicated bikes built to order page

Buy in confidence

Built in the UK

2 year warranty

Custom built to your specifications

Built to order in the UK
Built to order in the UK

We design and assemble every bike we sell right here in Yorkshire. Working with the leading component vendors and fabrication facilities, we create bikes with unrivalled performance and provide exceptional value for money.

Chat with one of our experts today and we will help put together the custom bike of your dreams.

Geometry

Size

Geometry

Sizing Guide

Rider HeightSuggested Frame Size
5′3″ to 5′8″ (160cm-172cm)Medium / 400mm
5′8″ to 5′11″ (172cm-180cm)Large / 430mm
5′11″ to 6′3″ (180cm- 190cm)X-Large /460mm

Sizing Notes

All frame size recommendations are approximate. A good fit will also depend on the correct choice of stem length, correct bike set-up for the rider and riding style.

Correct frame size choice can vary greatly with riders' torso length. If you have longer legs and a shorter torso, go for a slightly shorter stem. If you think you are borderline between sizes, and you have longer legs and a shorter torso, go for the smaller frame size. If you have shorter legs and a longer torso, go for the larger frame size to get the extra top tube length.

As the frame sizes increase, so does the length of the head tube. If you are inflexible or perhaps have a history of back problems, consider going for a larger frame size. This will increase the relative height of the handlebars making the position less “extreme”. The larger frame will also have a longer top tube, so you’ll need to compensate for this with a shorter stem.

Need help? Contact our technical experts

Visit our Contact Us page

Custom build option available
add to basket and customise
Build your bike in 3 simple steps.
Step 1: Select size and colour (by choosing below)
Frame View size guide
Dark Raw Gloss Large / 430mm Dark Raw Gloss Large / 430mm £1,699.99
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Dark Raw Gloss X Large / 460mm Dark Raw Gloss X Large / 460mm £1,699.99
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Pearl White Large / 430mm Pearl White Large / 430mm £1,699.99
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Pearl White Medium / 400mm Pearl White Medium / 400mm £1,699.99
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Pearl White X Large / 460mm Pearl White X Large / 460mm £1,699.99
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Stealth Black Large / 430mm Stealth Black Large / 430mm £1,699.99
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Stealth Black Medium / 400mm Stealth Black Medium / 400mm £1,699.99
Customise
Stealth Black X Large / 460mm Stealth Black X Large / 460mm £1,699.99
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Sea Foam Green Large / 430mm Sea Foam Green Large / 430mm £1,699.99
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Sea Foam Green Medium / 400mm Sea Foam Green Medium / 400mm £1,699.99
Sold Out
Sea Foam Green X Large / 460mm Sea Foam Green X Large / 460mm £1,699.99
Sold Out
Pearl White Large / 430mm Pearl White Large / 430mm £1,699.99
Customise
Pearl White Medium / 400mm Pearl White Medium / 400mm £1,699.99
Customise
Stealth Black Large / 430mm Stealth Black Large / 430mm £1,699.99
Customise
Stealth Black X Large / 460mm Stealth Black X Large / 460mm £1,699.99
Customise
Step 2: Choose your options

Need help?

Contact our technical experts

Choose Components

Brake Setup Choose your braking setup.
Select
UK Brake Lever Setup Rear Brake Left  FREE i
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EURO - USA Hydraulic Disc Brake Lever Setup Rear Brake Right £50.00 i
Frame
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On-One Hello Dave FrameStealth Black | Medium | 400mm  FREE i
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On-One Hello Dave FrameStealth Black | X Large | 460mm  FREE i
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On-One Hello Dave FrameStealth Black | Large | 430mm  FREE i
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On-One Hello Dave FramePearl White | Medium | 400mm  FREE i
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On-One Hello Dave FramePearl White | Large | 430mm  FREE i

Optional Accessories

Bottle Cage We're famous for our bottle cages, don't miss out and treat your yourself to a bottle cage for your new bike.
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NO THANKS  FREE
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Planet X Alloy Bottle CageBlack £3.99 i
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Zefal Aluplast 124 Bottle CageRed £3.99 i
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Zefal Aluplast 124 Bottle CageYellow £3.99 i
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Zefal Aluplast 124 Bottle CageOrange £3.99 i
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Planet X Alloy Bottle CageSIlver £3.99 i
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Zefal Spring Bottle CageWhite £3.99 i
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Zefal Aluplast 124 Bottle CageBlue £3.99 i
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Planet X Nightwolf Plastic Bottle CageBlack £4.99 i
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Zefal Aluplast 124 Bottle CageSilver £4.99 i
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Zefal Spring Bottle CageBlack £4.99 i
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Zefal Aluplast 124 Bottle CageBlack £4.99 i
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Planet X Bi Plastic Bottle CageBlack £4.99 i
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Zefal Aluplast 122 Bottle CageRed £4.99 i
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Zefal Aluplast 122 Bottle CageWhite £4.99 i
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Zefal Aluplast 122 Bottle CageBlue £4.99 i
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Zefal Aluplast 122 Bottle CageTi-Grey £4.99 i
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Zefal Aluplast 122 Bottle CageBlack £4.99 i
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Planet X Fang Plastic Bottle CageBlack £5.99 i
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Planet X SL Carbon CageGloss 3K Black £10.00 i
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Selcof Carbon BottlecageBlack £10.00 i
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Planet X SL Carbon CageGloss UD Black £10.00 i
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Selcof Carbon BottlecageBlack and Silver £10.00 i
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Zefal Pulse B2 Bottle CageRed £12.99 i
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Zefal Pulse B2 Bottle CageGrey £12.99 i
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Zefal Pulse B2 Bottle CageBlack £12.99 i
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Zefal Pulse B2 Bottle CagePink £12.99 i
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Zefal Pulse B2 Bottle CageGreen £12.99 i
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Zefal Pulse B2 Bottle CageOrange £12.99 i
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Zefal Pulse B2 Bottle CageCyan Blue £12.99 i
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Zefal Pulse B2 Bottle CageWhite £12.99 i
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Zefal Pulse B2 Bottle CageNeon Yellow £12.99 i
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Planet X SL Carbon CageMatte 3K Black £14.99 i
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Planet X Pro Carbon EVO Bottle CageGloss Black £19.99 i
Pedals New bike? Get some new pedals!
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NO THANKS  FREE
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Exustar 87x94 Flat PedalSilver £9.99 i
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Jobsworth Dual Sided MTB Pedal Black With Cleat £24.99 i
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VP-531 Aluminium Flat Platform PedalsBlack £24.99 i
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Superstar El Plastique Flat PedalWhite £24.99 i
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Jobsworth SPD Compatible Pedals Black With Cleat £24.99 i
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M-Wave MTB Clipless Pedals £29.99 i
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Barbieri Shimano SPD MTB PedalsBlack £30.99 i
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Exustar E-PM86 MTB Single Sided SPD/Platform Pedals With Sealed BearingBlack £39.99 i
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Barbieri Shimano Compatible MTB PedalsBlack/Silver £43.49 i
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RSP Engage MTB DH/Trail PedalsBlack £49.99 i
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Exustar E-PB525 Flat PedalBlack £59.99 i
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Exustar Light Flat PedalBlack £69.99 i

Rest of range

Product Price

£1,699.99

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