This page attempts to detail in one place all the Kalk parts and specs, plus replacements/alternatives if possible.
The information on this page started out as list of Kalk specs from CAKE’s website, and is being enhanced with additional details we learn more about the bike and its components.
¶ Photo
¶ Specs
¶ Battery
Note the Kalk safety recall: https://ridecake.com/en-NO/recall-kalk
¶ Battery specs
- Cells: Premium 18650 lithium cells
- Voltage (nominal): 51.8 V
- Capacity: 50 Ah / 2.6 kWh
- Features:
- Removable, can be charged when installed in bike or separately.
- Built in SoC indicator
¶ Battery charger
- Cake-1000 battery charger (same as Osa)
¶ Brakes
- Formula motorcycle disc brakes
- Four piston calipers
- Alloy levers
- Hand lever for front- and rear brake:
- Kalk INK
- Kalk INK Race
- Kalk OR
- Kalk OR Race
- Hand lever for front brake, foot lever for rear brake:
- Kalk :work
- Kalk INK&
- Kalk&
- Disc: Stainless steel, 220 mm diameter, 3.2 mm thickness
- Pads:
FM40058-10(2010 KTM 65SX brake pads) (source)
¶ Controller
¶ Display/Dashboard
- Kalk INK, INK Race, OR, OR Race, AP: Dashboard
- Kalk&, INK&:
- Early models have a OG display with 4 buttons
- Newer models have Display v1
¶ Drivetrain
- Electric motor: Dana TM4 IPM-200-33 AD01
- Peak power:
- Kalk&, INK&: 10 kW
- Kalk INK, INK Race, OR, OR Race, AP: 11 kW
- Nominal power: 5.8 kW
- Torque (wheel):
- Kalk&, INK&: 252 Nm
- Kalk INK, INK Race, OR, OR Race, AP: 280 Nm
- Torque (motor axle): 42 Nm
- Drivetrain type:
- Kalk INK, INK Race, OR, OR Race, AP, INK&: 420 chain with O-ring
- Kalk&: Gates PolyChain GT Carbon
- Front sprocket:
- Kalk INK, INK Race, OR, OR Race, AP, INK&: 12 teeth chain
- Kalk&: 18 teeth, Gates mudport technology
- Rear Sprocket
- Kalk INK&: 72 Teeth chain
- Kalk INK, INK Race, OR, OR Race, AP: 80 Teeth chain
- Kalk&: 108 teeth belt, Gates mudport technology
- Note: Rear chain sprocket made by Parts by Sweden
¶ Measurements and materials
- Seat height:
- Kalk&, INK&, AP: 910 mm
- Kalk INK, INK Race, OR, OR Race: 926 mm
- Wheel base: 1310 mm
- Ground clearance: 300 mm
- Fork angle: 25°
- Trail: 87.4 mm
- Offset: 22 mm in triple clamps, 36 mm in forks
- Width: 810 mm
- Height to handle: 1135 mm
- Handlebar
- Interface: 31.8 mm
- Material: Aerospace grade 7050 aluminium
- Rise: 20 mm
- Width: 810 mm
- Fenders & bodywork material:
- Kalk&, INK, INK&, OR: PC/ABS plastic
- Kalk INK Race, OR Race, Kalk AP: PC/ABS plastic Front fender PP plastic
- Frame and swingarm: 6061-T6 Aluminium, Extruded, Forged, CNC machined, welded and painted
¶ Suspension
- Front:
- Kalk INK, INK Race, INK&, AP: Upside down MX spring forks with rebound adjustment, specially engineered for Kalk. Travel 200 mm.
- Kalk&, OR, OR Race: Öhlins upside-down air forks featuring 38 mm stanchion tubes for extra rigidity and strength, specially developed for Cake. Adjustable for high-speed compression, low-speed compression and low-speed rebound. The forks are equipped with Öhlins advanced 3 stage air springs with individual setup for ride heights and bottoming resistance. Travel 204 mm.
- Rear:
- Kalk INK, INK Race, INK&, AP: Direct mounted shock for simplicity and robustness.
- Kalk&, OR, OR Race: 205 mm Öhlins TTX22 shock with CAKE internals and spring. Used with linkage for optimal performance.
¶ Weight
- Dry weight:
- Kalk INK: 60 kg
- Kalk INK Race: 61 kg
- Kalk OR: 52 kg
- Kalk OR Race: 58 kg
- Kalk AP: 63 kg
- Kalk INK&: 66 kg
- Kalk&: 62 kg
- Battery weight: 17 kg
- Max. permittable load: 180 kg (bike + battery + rider)
¶ Wheels & tires
- Hubs:
- Forged and CNC aluminium CAKE hubs with 25 mm axle
- Rims:
- Kalk&, INK, INK&: 19"x1.85” custom designed 7116-T6 aluminium motorcycle rims
- Kalk INK race, OR Race:
- Front: 19"x1.40" aluminium mx rims
- Rear: 18"x1.85" aluminium mx rims
- Kalk AP: Front & Rear, 1.85"x18" aluminium rims.
- Kalk OR: 24" (bicycle standard) re-inforced, triple chamber, 6061 aluminium.
- Tires:
- Kalk &, INK&: 19" dual sport motorcycle tires
- Kalk INK Race, OR Race:
- Front: 19" mx tires
- Rear: 18" mx tires
- Kalk INK: 19" off-road motorcycle tires
- Kalk OR: Custom made 24" lightweight off-road tires for durability and minimum trail wear. (24" is the outer diameter of the tires)
¶ Wiring schematics
Kalk wiring schematic for off-road models:
Kalk wiring schematics for street-legal models:
