Suitable for Tacx trainers with rear-wheel drive only
T1708 E-Thru trainer axle M12x1.75, with standard threaded cartridge. For hubs with a Maxle axle skewer attachment 135×12, 142×12, 150×12 mm and Trek ABP 142×1. Length: 179.5mm
-Super wide 10-50t gear range
-FULL PIN™ technology uses eleven lightweight, stamped steel cogs and one 50-tooth aluminum cog held together with high-strength stainless steel pins
-SRAM Model ID: CS-XG-1275-B1