Crossbow ISIS bottom bracket for Trial and Biketrial bikes. Spanish type (the bearings are directly installed into the frame bottom bracket). Replaceable sealed bearings. Axle 128mm length. For 68mm bottom brackets. Black anodized with Crossbow logos in white. 255 grams of weight (screws and spacers included).

MAIN FEATURES

· "Spanish" type ISIS bottom bracket from Crossbow brand for Trial and Biketrial bicycles.
· High quality steel axle 128mm of length.
· Replaceable high quality sealed bearings ref. 6904-2RS. Available as spare part in this LINK
· Compatible with all ISIS cranks in the market.
· Bearings are directly installed into the frame bottom bracket, saving weight.
· Includes two spacers and two aluminium M15 bolts.
· 255 grams of weight (including bolts and spacers).