Syncros FL1.0 Carbon Bicycle Stem - 228373 USE Road to Cross-Country Racing MATERIAL 7050 aluminium, carbon fiber ANGLE 6 Flip Flop CLAMP DIAMETER Oversized 31.8mm, STEERER DIAMETER 1 1/8" / 28.6mm STACK HEIGHT 42mm, LENGTHS 60-130mm, WEIGHT 125gr (90mm length)