Specifications

All values are approximate. Errors and modifications are possible.

general:             
Accuracy of measurement: +/- 2%
Material of the sensor: Aluminium 7075 T6
Quantity of strain gages: 4
Data Communication: ANT+ with power profil
BCD: 110 and 130 mm 5 holes, 104/64 and 120/80 mm 4 holes
Cadence: 30 … 200/min
Battery: CR2450 from Renata
Lifetime of battery: 300 … 400 h
 
 
Crank specifical racing bike
(* crank length 175 mm, without bottom bracket, without chainrings)

LIGHTNING
Crank lengths: 160 / 162.5 / 165 / 167.5 / 170 / 172.5 / 175 / 177.5 / 180 / 182.5 / 185 / 190 mm
Q-Factor: 146 mm
Bottom bracket: BSA68, ITA70, Cannondale BB30, Pressfit BB86
Chain line: 45 mm
Weight sensor 110 / 130 mm: 229 / 268 g
Weight crank set with sensor 110 / 130 mm *: 567 / 606 g
Additional weight to original crank set: 193 / 224 g
 
ROTOR 3D
 Crank lengths: 170 / 172.5 / 175 mm
Q-Factor: 147 mm
Bottom bracket: Shimano-comp., BSA68, ITA70, Pressfit BB86, BB90
Chain line: 45 mm
Weight sensor 110 / 130 mm: 234 / 271 g
Weight crank set with sensor 110 / 130 mm *: 713 / 750 g
Additional weight to original crank set: 186 / 213 g
 
ROTOR 3D PLUS
Crank lengths: 170 / 172.5 / 175 mm
Q-Factor: 149 mm
Bottom bracket: BSA68, ITA70, Cannondale BB30, PF30, Pressfit BB86, BBright
Chain line: 45 mm
Weight sensor 110 / 130 mm: 229 / 268 g
Weight crank set with sensor 110 / 130 mm *: 679 / 718 g
Additional weight to original crank set: 182 / 211 g
 
SRAM S900 Model: 2009
Truvativ Rouleur Carbon, Bontrager Race X Lite GXP
Crank lengths: 172.5 / 175 mm
Q-Factor: 150 mm
Bottom bracket: GXP-comp., BSA68, ITA70, Pressfit BB86, BB90
Chain line: 46 mm
Weight sensor 110 / 130 mm: 228 / 267 g
Weight crank set with sensor 110 / 130 mm *: 748 / 787 g
Additional weight to original crank set: 172 / 199 g
 

Crank specifical MTB
(* crank length 175 mm, with chainrings, without bottom bracket)

ROTOR 3D
Crank lengths: 170 / 172,5 / 175 mm
Q-Factor: 169 mm
Bottom bracket: Shimano-comp., BSA73, BSA73 +E-Type, Pressfit BB92
Chain line: 51 mm
Weight crank set with sensor double/triple *: 873 g / 907 g
Additional weight to original crank set: 224 g / 224 g
 
ROTOR 3D PLUS
Crank lengths: 170 / 172,5 / 175 mm
Q-Factor: 169 mm
Bottom bracket: BSA73, BSA73 +E-Type, Cannondale BB30, PF30, Pressfit BB92
Chain line: 51 mm
Weight crank set with sensor double/triple *: 825 g / 859 g
Additional weight to original crank set: 224 g / 224 g