THM Carbones Clavicula MTB M3 LK 120 | 80. Tune chainrings
THMs super light and stiff crank for the mountain bike. It has a spider with the typical Sram bolt circle diameter 120 | 80. For this level there chainrings in varying degrees of FRM, Tune, TA Specialites and SRAM.
The M³, unlike its predecessors, a axle made of aluminum and not carbon. The known high stiffness but is not affected. As with THM usual there are appropriate internal storage for almost all indoor storage systems. The spider can easily against another (eg 3-fold LK 104 | 64) to be exchanged.
Caution: BOR and TUNE chainrings with 40 teeth ( bolt circle diameter 120 mm) are not compatible because of unfavorable positioned climbing aids with the spider. The riveting of climbing aids touch the Spider.
THM offers to its cranks to different camps for the most common bottom bracket standards.
All Bottom Bracket feature high-quality, double sealed ball bearings. Is one for mounting
THM needed tool, which is available in our shop.
TUNE chainrings are CNC machined from a single piece of aluminum. For increased mileage they are blasted with glass beads, which hardens the surface and compacted. Then the chainrings are black anodized. The chainrings have 4 switching ramps and integrated switching support for a clean and quick gear changes.
Tune XX chainring bolts are available in various anodized colors. The screws for the large chainring are made of aluminum, for the small chainring made from titanium.
Material: aluminum, carbon, titanium
Crank arm: 170 / 172.5 / 175 mm
bolt circle diameter : 120 | 80
Rider weight limit: 110Kg (cyclist and luggage)
Finish: matte or glossy
Chainrings (recommended): 38 - 25 38-26 or 42-27
Weight: 504g (including crank chainrings 42-27 without bottom bracket.)
Scope of supply: crank, chainrings, chain ring bolts, optional internal storage