EXTENDED RATIO

The light P1.9XR transmission makes fast e-bikes even better. The ratio spread is optimum for generating maximum output even with a relatively low pedalling rate. This protects the battery and prolongs your enjoyment.

The increased bandwidth of the P1.9XR is also ideal for MTB trails on terrain with rapid changes of topography. The maintenance-free and permanently encapsulated drive with the wide range of gears allows lightning-fast and always reliable shifting. It guarantees perfect flow on uphill and downhill stretches. Enduro bikers and downhillers will find the perfect transmission with the P1.9XR.

   

 

 

Tout Terrain Via Veneto Xpress Pinion P1-9XR CDR

Grace One

FLITZBIKE P9

Nicolai Argon Fat

"The P1.9XR transmission with its high bandwidth is the perfect solution for the speed of a 45km/h e-bike."

Andreas Wildgrube - Head of Product Management at Grace

P1.9XR E-BIKE

P1.9XR MTB

P1.9XR URBAN

"The Pinion transmission offers significant advantages with its high ground clearance and the high bandwidth combined with low maintenance."

Max Koch - Head of Sales / Purchasing and Product Management at Müsing

P1.9XR ratio profile

P1.9 XR ratio calculator

Calculator is Available in only Desktop Mode

(Number of teeth chainring gearbox)
(Number of teeth sprocket rear wheel hub)
(Wheel circumference in mm)
(in mm)

Additional ground clearance compared to a derailleur gear system with a chainring with 44 teeth

Development

Distance covered in meters per crank revolution

Gear ratio

Gear transmission ratio gearbox (input shaft/output shaft)

Overall ratio

Overall transmission ratio of the drivetrain including the sprockets on the gearbox and the rear wheel hub

The gearboxes in direct comparison

logo-p118 logo-p19xr
Number of gears
18 12 9 9
Overall ratio %
636 600 568 364
Gear steps %
11,5 17,7 24,3 17,5
Frame connection
Pinion Standard Pinion Standard Pinion Standard Pinion Standard
Gain ratio in first gear
1,82 1,82 1,82 1,30
Gain ratio in fastest gear
0,29 0,3 0,32 0,36
Sprocket / Spider mount
Pinion Center Lock Pinion Center Lock Pinion Center Lock Pinion Center Lock
Chain line
54 mm 54 mm 54 mm 54 mm
Maximum input torque
250 Nm 250 Nm 250 Nm 250 Nm
Axle standard
Pinion Standard Pinion Standard Pinion Standard Pinion Standard
Q-factor
174 mm 174 mm 174 mm 174 mm
Lubrication
Splash lubrication Splash lubrication Splash lubrication Splash lubrication
Oil type
Pinion gearbox oil Pinion gearbox oil Pinion gearbox oil Pinion gearbox oil
Oil capacity
60 ml 60 ml 60 ml 60 ml
Temperature range
5 °F to 104 °F 5 °F to 104 °F 5 °F to 104 °F 5 °F to 104 °F
Oil change inteval
Every 6.200 miles / Once a year Every 6.200 miles / Once a year Every 6.200 miles / Once a year Every 6.200 miles / Once a year
Gearbox Weight
2700g 2350g 2200g 2200g

p1.19XR HARDFACTS

GEARBOX
transmission type Spur gearing
Number of gears 9
Overall ratio 568 %
Gear steps 24,3% constant
Recommended ratio of
Rear Sprockets (21t/24t for example) to front
0,875
Gain ratio in 1st gear (21t/24t) 1,82
Gain ratio in 9th gear (21t/24t) 0,32

REAL GEARS
Real gears refer to the gear steps of a bicycle transmission that can be optimally used. In derailleur gears, the skewed running of the chain leads to significant losses of efficiency. In addition, when there are two or three front sprockets there will be redundant, i.e. equivalent, gears. A 3×10 derailleur transmission, for example, actually only offers 14 or 15 real gears from this perspective. 

TECHNICAL DETAILS
Chain line with Pinion chain ring 54 mm
Maximum input torque 250 Nm
Axle standard Pinion splined shaft
Q-faktor 2 174 mm
Lubrication Splash lubrication
Oil type Pinion gearbox oil 3
Oil capacity 60 ml (2.0 oz)
Temperature range 5 °F to 104 °F
  • Distance between the outer faces of the crank arms at the level of the pedal attachment points
  • synthetic, viscosity 68
  • including lock ring, crank central screws and shift cover with fastening screws
  • including crank clamp screws
  • including fastening screws

MAINTENANCE
Oil change interval every 6.200 miles /
Once a year

WEIGHTS
Gearbox 3 2350,0 g
Rotary shifter 95,0 g
Crank arms „CNC“ 175 mm 4 434,5 g
Crank arms „Forged“ 175 mm 4 481,5 g
Chain tensioner (Federstärke: 2,5 mm) 5 122,0 g
Chain ring 30t 51,0 g
Chain ring 24t 37,5 g
Gearbox Spider 104 mm 40,0 g
Rear sprocket 26t 37,5 g
Rear sprocket 21t 29,0 g

Extended Ratio