BUY CRANKS TRIAL COMAS COTTERLESS 140 MM
Are you thinking of buying a pair of cranks for Trial and Biketrial bicycles?. This pair of Comas cranks are 140 mm long, specially indicated for trials kids bicycles. Forged in aluminium 6061-T6 to get an strong construction. For JIS (Cotterless) type bottom brackets. Offset of 33mm. Pedals threat 9/16". For 1,37"x24T threat freewheels. 445 grams of weight.
TECHNICAL SHEET CRANKS TRIAL COMAS COTTERLESS 140 MM
Cranks from Comas brand for Trial and Biketrial bicycles.
Made in forged aluminium 6061-T6 and CNC machined.
For JIS (Cotterless) type bottom brackets.
Simple design to get the maximum rigidity and resistance.
Internal side machined to save weight.
Standard 1.37”x 24tpi threat, compatible with most freewheels in the market.
14 mm of threated area to fit the freewheel and Ring freewheel protector with total security.
Offset of 33 mm to evite possible scratches with frame and/or rim brake calipers.
Black anodised finished with COMAS graphics laser engraved.
445 grams of weight.
Measures of these cranks
Long: 140 mm
Offset: 33 mm
Freewheel threat: 1.37" x 24T
Pedals threat: 9/16”
TECHNICAL NOTE: The minimum contact threat between freewheel and crank must be 7 mm to evite damages in crank threat.
BIKENBICI, your trials cranks online shop
BIKENBICI, Bike Trials specialists