Clean, tough, and simple Tighten up with a 6mm Allen key. Features a 6mm Allen key on the drive side of the axle if you manage to round the non drive side Constructed from 7075 aluminum and made to manufacturer&';s exact specifications Fits the following Orbea Bikes: Rallon (2026+), Occam SL/LT Carbon and Hydro (2024-2025, 2026+), Rise Carbon and Hydro LT/SL (2025+), Rallon RS (2027+) TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Model Orbea 184mm Description 12x184mm Rear Axle Axle Length (mm) 184 Thread Pitch - Color Burgtec Bullion Gold