Orbea Onna 27 XS Junior 50 2023 - Junior Bike
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Orbea Onna Alloy, Dropout 9x135, BSA BB, Internal cable routing |
| Fork | SR Suntour XCE 28 Coil 100mm QR |
| Headset | 1"-1/8 Semi-Integrated |
| Stem | Alloy 31.8mm interface 7º |
| Bars | Alloy Flat 31.8mm 720mm |
| Front Brake | Shimano MT200 Hydraulic Disc |
| Rear Brake | Shimano MT200 Hydraulic Disc |
| Front Mech | Shimano M315 31.8mm |
| Rear Mech | Shimano Tourney TX800 |
| Shifters | Microshift TS38 |
| Speed | 16 |
| Rims | Mach1 ER20 19c |
| Front Tyre | Kenda K1153 2.35" 22TPI |
| Rear Tyre | Kenda K1153 2.35" 22TPI |
| Seat Post | Alloy 27.2 Offset 0 |
| Saddle | Essax Adv soft135mm for Orbea |
| Chainset | Alloy forged 22x36t 7/8S |
| Chain | KMC X8 |
| Cassette | Sun Race CSM66 11-34t 8-Speed |
| Pedals | VP-537 Black |
Mountain Bike Size Chart
|
Height
|
Bike Size
|
Mountain Bike Size
|
|
4’8” – 5’1”
143 – 155 cm
|
XXS
|
13” (33 cm)
|
|
5’1” – 5’4”
155 – 163 cm
|
XS
|
15” (38 cm)
|
|
5’4” – 5’7”
163 – 170 cm
|
S
|
16” (41 cm)
|
|
5’7” – 5’10”
170 – 178 cm
|
M
|
18” (46cm)
|
|
5’10” – 6’0”
178 – 183 cm
|
L
|
19” (48cm)
|
|
6’0” – 6’3”
183 – 191 cm
|
XL
|
20” (51 cm)
|
|
6’3” – 6’5”
191 – 196 cm
|
XXL
|
21” (53 cm)
|
|
6’5” – 6’9”
196 – 205 cm
|
XXXL
|
22” (56 cm)
|
* Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to use centimetres for all their bikes. The measurements of their mountain bikes doesn’t match their road bikes but are like a simple conversion from the inches measurement. This is why we have included cm measurements in brackets for the Mountain bike column.
Read our bike size guide for more information on sizing.
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