Dennis has ridden them all but wanted his own touches on a new 6061 top load alloy stem with extensive internal & external machining to reduce weight. Rounded edges & top cut-out for fork top cap to be recessed. 45mm wide for extra clamping area. section Product Specs TYPE: Top Load REACH: 53mm RISE: 32mm CLAMPING DIAMETER: 22.2mm WEIGHT: 306g