Spank spike 2530 direct mount stemthe spike direct mount is a race tested downhill stem capable of taking the harshest beatings you can throw at it features 2d forged weight optimized cnc constructionbar bore 31 8rise 055mm wide chamfered bar clamp35mm stack heightsnap fit sealed topcap includedlength 35mm50mmweight 145g160gbuyspank componets from chain reaction cycles the worlds largest online bike store