Material: carbon wrapped with aluminum.

Extension: 80mm, 90mm and 100mm.

Weight: 155g (80mm).

Other available stems:

A01A80 Material: aluminum Weight: 151g (90mm), 135g (100mm)	A01A7B Material: aluminum Extension: 70mm	A01A7S Material: aluminum Extension: 70mm
A01257AW(70mm/25.4mm) A01258AW(80mm/25.4mm) A01318AW(80mm/31.8mm) A01319AW(90mm/31.8mm)	A01B8 (80MM) A01B9 (90MM) A01B10 (100MM)	A01AEA Bar bore: 25.4mm Weight: 151g