Road Bike Rear Derailleur

商品說明 Sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with cascaded technology from DURA-ACE. Consistently Smooth And Light Shifting Operation Wider, Rider Tuned 10-Speed Gearing Options Robust...

商品說明 Sleek Integrated Appearance New Low-Profile Design Shimano Shadow Rd Race Endurance Optimized Slant Angle Wide Compatibility RD-SS Covers: 11-25T To 11-30T RD-GS Covers: 11-28T To 11-34T Maximum Sprocket: 30T Minimum...

-11-28T to 11-34T -Average weight:247 g

-Stable shifting performance -Wide compatibility -Average weight :232g

SHIMANO TOURNEY FT 6-7速有勾短波腳-RD-FT35-A / SHIMANO TOURNEY FT 6-7SP REAR DERAILLEUR-RD-FT35-A

【14/18齿组合，陶瓷轴承减少轉动摩擦而會令速度更快。可以適合高至33T的飛輪，美国本地生产的航空级碳纤维结合滑轮，質量可靠，耐用。 SLF Motion 的 Hyper Speed System，結合超順滑陶瓷啤令、採用碳纖維結構去比上一代再偷輕15g而不失強度、而細節上也絕不含糊，採用不同的彈弓張力設置、加上矚目的彩虹色、紅色、銀色任君選擇，滿足你一切能在大導輪許下的願望。   Hand-made in Pawnee, Illinois and proven by the...

SHIMANO ALIVIO 9速波腳-黑色-RD-M3100-SGS / SHIMANO ALIVIO 9SPD REAR DERAILLEUR-RD-M3100-SGS

SHIMANO GRX - 后拨链器 - SHIMANO SHADOW RD+ - 42T 最大低飞轮片 - 11-速 借助整合的链条稳定装置机构，SHIMANO GRX 拨链器在混合地形上提供更静音的体验以及变速安全性和准确性。对于光滑表面上的骑行，拨链器具有张链器的开/关按钮。RD-RX812 后拨链器以 42T 最大低飞轮片兼容 mtb 卡式。 在崎岖的路面上也能安静顺畅地完成后变速 可调节的链条稳定器可防止链条撞击和脱落 SHIMANO SHADOW RD+...

商品說明 The new DURA-ACE rear derailleur features Shimano’s Shadow RD design, which gives the derailleur a lower profile and more stable operation. Most advanced component group of all time: Shimano Dura Ace 2×11-speed Rear Derailleur RD-R9100...