• 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

  • 產品消息

    關於交期與產品資訊

    GA-81X系列

    目前產線已經全部額滿至2022/6月後

    GA-500/GA-600/GA-900系列

    除GA-900維持45~60天內交貨,500/600於60~75天交貨

    機械碟煞系列

    目前交期60~75天

    GA-800/GA-1000系列(電動車專用)

    45~60天內交貨

  • 專業車手測試 | 高端工程師創造

    你可以更明白為什麼 GEMMA 的油壓煞車使用性更勝他牌

  • 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