SRM PM9 Origin Composite Road Power Meter - 4x110 (Shimano) - Rechargeable - 30mm - 170mm

SRM PM9 Origin Composite Road Power Meter - 4x110 (Shimano) - Rechargeable - 30mm - 170mmThis unit is a clearance line, brand new and will not be re ordered when sold. The SRM Origin PowerMeter, named for having all components designed by SRM the original PowerMeter, is a modular concept PowerMeter offering limitless compatibility with exchangeable spindles and cranks, designed to fit any Road bike. Spindles, Cranks and Chainrings can be configured to suit your particular needs. If your needs change over time they can easily be changed or

This unit is a clearance line, brand new - and will not be re-ordered when sold. 

The SRM Origin PowerMeter, named for having all components designed by SRM – the original PowerMeter, is a modular-concept PowerMeter offering limitless compatibility with exchangeable spindles and cranks, designed to fit any Road bike.

Spindles, Cranks and Chainrings can be configured to suit your particular needs. If your needs change over time they can easily be changed or upgraded.

SRM Origin can grow with you and will be with you for many years to come!

These SRM Composite Cranks are made from a composite of Carbon and Aluminium. At 342g, they are considerably lighter than full aluminium cranks, while keeping their stiffness.

Starting at a length of 160mm, the Carbon/Aluminium these new cranks will fit most athletes.

SPECIFICATIONS
Accuracy: ±2%
Bolt Circle Diameter: 110mmx4 bolts - With inserts to suit R9100 or R9200 Chainrings
Spindle: 30mm Aluminium
Connection: ANT+
Q-Factor: 145.5mm
Runtime: Approx. 1400h ride time (battery, one year shelf time accounts for 500h ride time), >100h (rechargeable)

OPTIONS
Crank Length: 160mm, 165mm, 167.5mm, 170mm, 172.5mm, 175mm

NOTES
This unit does not include a bottom bracket.
We recommend the Rotor BSA30 Ceramic, Kogel BSA30 Ceramic (Road) or the WheelsMFG BSA30 Steel bottom brackets on these units.