適合12歲或身高1.5米以下的小童，車呔直徑一般為10至24吋。
兒童兩歲起又達到85厘米至1米身高可先考慮從平衡車開始，
這樣會較容易學會平衡，掌控單車的速度和正確地把單車剎停。
若小孩身高達90厘米或以上，可為他們選擇14吋（約3至5歲）的兒童單車附有輔助轆
或16吋兒童單車及加購輔助轆（約4至6歲）
或20吋兒童單車（約6至8歲），甚至是24吋兒童單車（9至12歲）。
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Chain
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Thru Axle
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Cassette
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Cranksets
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Power meter Cranksets
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Crank Arms
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Chainrings
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Front Derailleurs
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Rear Derailleurs
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Bottom Brackets
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Shift Cable
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-
Shift Levers
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Chain Guide
![]()
-
Drivetrain Related Parts
![]()
-
Front Derailleurs Related Parts
![]()
-
Rear Derailleurs Related Parts
![]()
-
Cassette Related Parts
![]()
-
SHIMANO DI2 related parts
![]()
-
Chain
- Rear Derailleur Hanger
- Adaptor
- Handlebar Tape
- Folding Bike parts
- 車架零件
-
-
-
-
-
In-Store Repair
-
Maintenance
-
Blog
-
About us
- Home
- Bike PartsDrivetrain
- Chain
- Thru Axle
- Cassette
- Cranksets
- Power meter Cranksets
- Crank Arms
- Chainrings
- Front Derailleurs
- Rear Derailleurs
- Bottom Brackets
- Shift Cable
- Shift Levers
- Chain Guide
- Drivetrain Related Parts
- Front Derailleurs Related Parts
- Rear Derailleurs Related Parts
- Cassette Related Parts
- SHIMANO DI2 related parts
- In-Store Repair
- Maintenance
- Blog
- About us
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