The Crankbrothers Synthesis Alloy Enduro 29 Boost Rear Shimano Micro Spline is a part of the crankbrothers tuned wheel system, which now offers an aluminium range. These synthesis wheels have a unique design that focuses on a compliant front wheel and a stiff rear wheel to create the best riding experience.The compliant front wheel enhances handling and control in the turns, while the stiff rear wheel improves stability and tracking at high speeds. These characteristics are achieved through variations in spoke tension, weight, count, rim width, and rim weight.The alloy range includes models for Enduro, XC/Trail, and E-bikes, catering to a wide range of riders. The Enduro and XCT models offer two hub options - a crankbrothers hub and an i9 1/1 hub, both providing 4 degrees of engagement. Additionally, the Enduro and XCT rims can be purchased separately for custom wheel building.The rear wheel of the Synthesis Alloy Enduro 29 Boost has an inner rim width of 29.5mm and a spoke count of 32. The spokes are Sapim Race, and the wheel weighs 1062g for the 27.5" version and 1095g for the 29" version. The hub engagement is 17 degrees.With the Crankbrothers Synthesis Alloy Enduro 29 Boost Rear Shimano Micro Spline, you can enjoy a high-quality wheel system that has been carefully designed to optimize your riding experience.