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PRO Clip-on Bracket Set Ø31.8mm Ø22.2mm - Black
- EAN 8717009899246
- Brand: Cortina
- Product Model: 899906
Turn your road cockpit into a fast TT/tri setup. The PRO Aero Clip-On Bracket Set clamps to Ø31.8 mm handlebars and accepts standard Ø22.2 mm aero extensions (PRO S-bend, J-bend, etc.), providing you with a stable, aerodynamic position and seamless integration. The aluminum bodies keep weight low while ensuring high stiffness, complemented by stainless steel hardware for durability throughout the season.
- Clip-on aero bar brackets for Ø31.8 mm road/gravel handlebars
- Accepts standard Ø22.2 mm extensions (PRO S-bend/J-bend) for TT/tri positions
- Aluminum construction: lightweight, robust, and race-ready
- Stainless steel hardware resists corrosion for year-round use
- Quick way to add time trial/triathlon clip-ons to a standard bar
- Clean, low-profile design integrates neatly with modern cockpits
Specifications
Brand: PRO
Model: Clip-On
Type: Bracket set
Material: Aluminum
Color: Black
Children are generally taught to ride a bike at an early age.
The right size bicycle allows for a comfortable and safe riding position for children and teens, and stimulates maximum performance of the muscles.
Aside from being less tiring and preventing overexertion of the knees, the right size bike encourages regular bike use and cycling in general.
This size is usually based on the wheel diameter.
| Children's Bicycle Size Chart | ![]() |
||
| Age (Years) |
Clothing Size |
Length | Recommended Children's Bike Size |
| 2 - 4 | 98 - 104 | ± 95 cm | 12 inch |
| 3 - 5 | 100 - 106 | ± 100 cm | 14 inch |
| 4 - 6 | 104 - 110 | ± 105 cm | 16 inch |
| 5 - 7 | 110 - 116 | ± 110 cm | 18 inch |
| 6 - 8 | 116 - 122 | ± 115 cm | 20 inch |
| 7 - 9 | 122 - 128 | ± 122 cm | 22 inch |
| 8 - 12 | 128 - 140 | ± 130 cm | 24 inch |
| 10 - 14 | 140 - 152 | ± 145 cm | 26 inch |
This sizing chart for children's bicycles is based on age and length.
Not everyone is the same length at a certain age, so it’s advisable to determine the bicycle size based on length.
The most important factor in determining the right bike size, is the inseam length.
| Body Length | Inseam Length | Recommended Bike Size |
![]() |
| 120 - 140 cm | <52 cm | 16 inch | |
| 52 - 74 cm | 20 inch | ||
| > 74 cm | 24 inch | ||
| 140 - 160 cm | < 62 cm | 20 inch | |
| 62 - 80 cm | 24 inch | ||
| > 80 cm | 26 inch | ||
| > 160 cm | < 74 cm | 24 inch | |
| > 74 cm | 26 inch |
Most children that are 120 to 140 cm tall can ride a 20 inch bike, while children between 140 and 160 cm tall can ride a 24 inch bike.
A 26 inch bike is generally suitable for teenagers who are over 160 cm tall.
The right frame height is also very important: it is the first step to finding the correct riding position.
A bicycle frame that is too small or too large can lead to limited height adjustment options, which in turn may lead to an inconvenient height difference between the saddle and handlebars.
Use the inseam length to determine which frame size is right for you.
You can do this by measuring the inside of your leg, from the top of the thigh down to the floor.
| Adult Bicycle Size Chart | ![]() |
|
| Inseam Length |
Recommended Frame Size | |
| ≈ 66 cm | 43 cm | |
| ≈ 74 cm | 48 cm | |
| ≈ 77 cm | 50 cm | |
| ≈ 78 cm | 51 cm | |
| ≈ 80 cm | 52 cm | |
| ≈ 83 cm | 54 cm | |
| ≈ 85 cm | 55 cm | |
| ≈ 86 cm | 56 cm | |
| ≈ 89 cm | 58 cm | |
| ≈ 91 cm | 61 cm | |
| ≈ 93 cm | 65 cm |
Choose the frame size closest to your results.
When in doubt, it’s best to pick the smaller frame size.
If you have any questions about determining the right bicycle size, you can always give us a call or send us an e-mail.
Cortina Fietsen
Ravensburgstraat 8
8028PZ Zwolle
The Netherlands
https://www.cortinabikes.com/
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