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Circuit 炫系列二头肌训练器是隔离并强化二头肌的有吸引力、结构化的方式。没有任何机构调节和直观的按钮式控件能够实现在力量训练中以引人注目的方式介绍该款二头肌训练器。利用增量阻力调节装置，锻炼者可以轻松衡量其进度情况，因而这款装置非常适合小组或长期力量训练。
| 产品代码 | TCBC-LF |
| 尺寸（长 x 宽 x 高） | 54" x 35" x 45" (metric cm: 137 x 89 x 114) |
| 建议使用面积 | 72" x 63" x 45" (metric cm: 183 x 160 x 114) |
| 重量 | 251 lb (114) |
| 最大用户体重 | 300 lb (136 kg) |
| 指示牌 | Easy-to-follow instructions illustrate proper use and muscles trained |
| 皮带和滑轮 | 4-1/2" (11 cm) and 6" (15 cm) diameter fiberglass-impregnated nylon pulleys feature sealed bearings |
| 盖板 | Full front and back shrouds and pulley covers |
| 调节 | No set-up adjustments are required, which ensures ultimate ease of use |
| Lifeband Resistance™ 系统 | Resistance provided by a series of polyelastomer Lifebands, a bound and covered group of elastomer strands |
| 脚踏平台 | All foot platforms are molded rubber with a slip-resistant texture |
| 框架描述 | 11-gauge steel frame ensures maximum structural integrity; Standard rubber feet protect base of the frame and prevent the machine from slipping; Each frame receives an electrostatic powder coat finish to ensure maximum adhesion and durability |
| 把手 | Grips retained with aluminum collars, preventing them from slipping during use; Hand grips are an extruded thermo rubber compound that is non-absorbing and wear-and-tear resistant |
| 轴承 | Precision-machined bearings housings provide optimal alignment for smooth, friction-free movement |
| 保修 | 10-year limited warranty on structural frame (coatings excluded; 3-year on internal bearings, guide rods, pulleys and belts; 1-year on cables, Life Bands; 90-days on upholstery and any items not specified |