THM Carbones Clavicula MTB M3 2-fold
THMs super light and stiff crank for the mountain. It has a spider for the installation of 2 chainrings with the standard 4-arm bolt circle 104 | 64 mm.
The Spider is based on the concept of the Sram XX-Spiders with LK 120 | 80. It will be this chainrings required which have a thread in the large chainring. These are available in 36 and 38 of BOR, Tune and practice Works in our shop. To assemble the small chainring they can use each sheet with a 64er bolt circle.
The M³, unlike its predecessors, an axle made of aluminum and not carbon. The known high rigidity is not however affected. As with THM usual, there are suitable internal bearing for nearly all common bottom bracket systems. The spider can easily against another (eg 2-LK 120 | 64 | 80 or 3 times 104) are exchanged.
recommended chainring combinations:
Material: aluminum, titanium, carbon
Crank arm: 170 / 172.5 / 175 mm
PCD: 104 | 64
Q: 167 mm
Rider weight limit: 110 kg (rider + bike + luggage)
Finish: matte or glossy
Weight: 397g (with crank star without bearings)