You are in the 130mm Bike Trial bicycles cranks corner.
Cranks from Comas brand for Trial and Biketrial bicycles. 130mm long, for kids bicycles. Forged in aluminium 6061-T6 to get an strong construction. For JIS (Cotterless) type bottom brackets. Offset of 33 mm. Pedals threat 9/16. For 1,37 x24T threat freewheels. 445 grams of weight.
Brand: COMAS
Cranks from Jitsie brand for Trial and Biketrial bicycles. 140 mm long, for kids bicycles. Forged in aluminium 6061-T6 to get an strong construction. For JIS (Cotterless) type bottom brackets. Offset of 33 mm. Pedals threat 9/16. For 1,37 x24T threat freewheels. 443 grams of weight.
Brand: JITSIE