For GXP bottom bracket Left, aluminum, 175 mm crank length TRUVATIV crank The Descendant 6k Eagle from TRUVATIV is a left-hand crank arm with a length of 175.0 mm. Lightweight and durable - that's the best way to describe the crank, as it's made from aluminum. It's also resistant to weather conditions like corrosion. Does your bike have GXP Bottom Brackets? Then this part is the perfect match. Number of chainrings none Crank length 175.00 mm Main color black Bottom bracket GXP Type/kind Article Variation left