高端自行車 | 電動自行車
油壓煞車品牌專業設計製造
來自台灣多年經驗，產品深受歐美客戶喜愛
2022 NEW Design
4 piston in ONE piece CNC, launch at 2022
產品一覽 Products
The GEMMA engineers and world class MTB BIKERS to create batter that would meet the needs of different bikers. Hydraulic brakes to insure that your safety.
GA-811
精選入門款
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:2. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:325g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
GA-812
耐用中階款
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:2. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:325g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
GA-500
耐用中階款
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:2. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:316g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
GA-814
專業高階款
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:2. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:290g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
GA-600
專業高階款
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:2. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:316g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
GA-2D
電動自行車2019款-煞車把手
For E-bike
Lever:4 Finger
Material: aluminum Alloy
Finish:ED-Black
Weight of one piece:105g
GA-5D
電動自行車2020款-煞車把手帶鈴鐺及可調整感測器
For E-bike
Lever:4. Finger & rubber grip
Integrated bell
Adjustable sensor control designed
Cast aluminum lever & bracket
Left hand side
Material: aluminum Alloy
Finish:ED-Black / Silver
Weight of one piece:143g
GA-M816
電動自行車2019款
For E-bike
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:2. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:325g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
Sensor Control Contact Options
Waterproof M8 Contact of Normal SM-2A contact
GA-M800 (推薦)
電動自行車2020款
For E-bike
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:2. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:325g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
Sensor Control Contact Options
Waterproof M8 Contact of Normal SM-2A contact
GA-900 (推薦)
自行車2022款
For bike
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:3. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:325g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
GA-1000 (推薦)
電動自行車2021款
For E-bike
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:3. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:325g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
Sensor Control Contact Options
Waterproof M8 Contact of Normal SM-2A contact
GA-ONE (CNC 一體式切割)
電動自行車2022款
For E-bike
Hydraulic disc brake (DUAL PISTON)
Open Hydraulic System
Aluminum Forged Caliper
Lever:3. Finger
Compatible with post Mount and 51mm international standard
Rotor Options:
Front: 160mm~180mm
Rear:140mm~160mm
Material: aluminum Alloy
Pad: Semi-metallic compound(model:M07)
Finish:ED-Black
Weight of one piece:265g
Front Brake(right)-light of oil hose:850mm
Rear Brake(left)-light of oil hose:1350mm
The light of oil hose can be custom-made
Sensor Control Contact Options
Waterproof M8 Contact of Normal SM-2A contact
