The Surge is the next phase in the evolution of our E.P.O. program. At Orange Bikes it's all about the ride, and we've made substantial improvements to our e-bike chassis which deliver the most engaging trail feel, The 170mm travel Surge will take on the biggest terrain, and is not shy when is comes to sending those gaps. Excelling where the uplift doesn't go. Some of the best trails lie beyond where your lift pass takes you – enter the Surge. Big adventures and an e-bike with big ideas, way above the lift station. Fast and sure footed, the stability in the Surge's geometry will give you confidence on any trail.
The new Surge is a revelation and we urge you to try one. E-bikes can be a devisive topic, but once you are bitten by the bug they are hard to resist.
The Surge 29 takes many of its traits from the new Stage 6, 64° head angle, 76° seat angle, reduced offset fork, increased reach and a metric shock but it also incorporates Shimano’s newest battery technology – 8035. The revised battery has meant that we are now able to considerably reduce the size of the down tube, add an On/Off switch to the top tube and the battery is now removable without a key.
With 29” wheels, 160mm travel at the front and 150mm at the rear this bike is prepared to go wherever you are willing to take it.
Something that was painstakingly pored over was the suspension characteristic of the new Alpine 6, with everything we gained from that bike we wanted it to translate across into the Surge. Revisions have been made to the shock mounts to accommodate the new metric rear shock (230x65) and the increase in travel from 160 to 165mm, we have also focussed on increasing the amount of progression in the system which has seen a substantial increase, reduced the bike's anti-squat value and decreased the amount of pedal kickback in the system.
The Surge’s revised construction and shape is one of the biggest leaps forward over its predecessor, revisions to the front triangle in both construction and tubing profile have helped improve the bike's stiffness while still remaining compliant enough that the bike isn’t harsh, the new down tube is substantially slimmer and has a much more organic profile that the one that went before it.
While the rear swingarm has taken cues from our 327 DH bike in its profile, this has been done to help deal with the large amounts of torque being produced by the motor, the additional overall weight of the bike and the fact that this bike acts like your own personal uplift vehicle where descents are the order of the day.
The final piece of the puzzle was to have a battery that was easily removable. Hearing of riders doing “double battery rides” is very much a reality and we wanted a system that allowed this to happen as easily as possible. The battery is now removable with the use of just a key, so there are no more bolts to undo and it should take a matter of seconds to swap. Second batteries will be available from Orange and will come with the protective cover as standard.
THE DRIVE UNIT
We've chosen to work with Shimano, using the E8000 pedal assist system. The features it offers work extremely well for us.
Due to the size of the drive unit, no change to bike geometry is necessary. The E-bike you see here is the exact same geometry as our Alpine 6 model.
The power is delivered when the rider starts pedalling. We've found with the Shimano E8000 unit the power is smooth and controllable, even in boost mode. This is crucial on the technical terrain we love to ride.
Unlike other drive units on the market, the Shimano E8000 crankset has the same Q-factor as the human powered cranks you are used to, this means no awkward changes to your pedalling position. This drive unit also has a zero-drag feature, so as you surge past the assisted power, often into descents, all of your pedal input goes into the drive, rather than dragging the motor's "gearbox". This gives a really responsive feel, when you're hitting those high-velocity descents. You soon forget you're riding an E-bike until the assist kicks in again to help power you up the next climb.
WHY THE SURGE 29?
ELECTRIC POWERED ORANGE
F: 160MM | R: 150MM | W: 29
- Frame designed and built in Britain
- 5 year frame warranty with Limited Lifetime
- Crash Replacement
- New slimmer downtube with Shimano 8035 battery
- New Quick release battery
- New 'On' switch on top tube
- Boost 148mm rear hub spacing
- Alpine-trail honed geometry
- Reduced offset fork
- Long top tube short stem for high-speed stability
- Shimano E8000 250W drive unit with 70Nm torque
- 504Wh Lithium Ion battery for up to 100km assist
- Same 177mm Q-Factor as a standard XT crankset
- Choose from 4 custom colours
Specs & Options
Sizes - M,L,XL
Frame & Fork
6061-T6 Monocoque UK Formed Custom Aluminium Tubing. Wheel Size: 29. Rear wheel travel: 150.
Swingarms - SRAM Maxle Ultimate (Boost 148 Hub)
Rear Shocks - Fox Float DPX2 Factory 230x57.5
Headsets - Hope Black - 49mm for Tapered Steerer
Forks - Fox Factory 36 160mm 29 (black)
Chains - Shimano XTR
Shifters - Shimano XTR
Cassettes - Shimano XTR 10-51T
Chain Device - MRP 1x E-bike
Bottom Brackets - Shimano E8000 DU Integrated
Chainsets - Shimano E8050 34t Ring
Rear Mech - Shimano XTR 12spd
Wheel & Tyres
Wheelsets - Stans Flow Mk3 (Silver) + Hope Pro 4 (Black) 29
Tyres - Maxxis Minion DHF 2.5 3c EXO+ / DHR II 2.4 3c EXO+ 29
Rim Decals - Standard Rim Decals
Brakes - Shimano Saint 203/203
Saddles - SDG Radar Cromo Rail Black/Black
Handlebars - Renthal Fat Bar 800mm M35
Grips - Strange 130 Single Lock-On Black
Seatposts - Fox Factory Transfer 150mm Drop
Seat Clamps - Hope Bolted Black
Stems - Burgtec MK2 Enduro Black 35mm
Drive Units - Shimano E8000
Control Switches - Shimano E7000
Drive Displays - Shimano E8000 Cycle Computer
Batteries - Shimano E8035 504wh Integrated battery
PEDAL ASSIST MODES
All three support modes will assist until 16mph.
ECO - Riding support while enabling maximum range
TRAIL - Gradual support for encouraging sportive riding
BOOST - Full support for maximum boost and uncompromised climbing
WALK ASSIST - As additional mode, walk assist can be easily enabled with the assist switch
Short chainstays (shorter chainstay length ensuring better manoeuvrability)
Narrow Q-factor of 177mm (compact and lightweight design for better handling with same Q-factor as current Shimano XT)
Maximum power: 500 W
Nominal power: 250 W
Maximum torque: 70 Nm
WEIGHT OF DRIVE UNIT - Under 3 kg
Integrated version (504Wh)
Charging: 80% after 2,5 hrs / 5 hrs from 0 to 100%
Battery life: 1,000 cycles