Orbea Onna 27 XS Junior 30 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 XCM RL-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 Deore M6025 31.8mm |
| Rear Mech | Shimano Deore M4120 SGS Shadow |
| Shifters | Shimano Deore M4100 |
| Speed | 20 |
| Rims | Orbea Black Rock 23c Disc |
| Front Tyre | Kenda Booster 2.40" 30TPI |
| Rear Tyre | Kenda Booster 2.40" 30TPI |
| Seat Post | Alloy 27.2 Offset 0 |
| Saddle | Selle Royal 2058 DRN |
| Chainset | Alloy forged 26x36t 10S |
| Chain | KMC X10 |
| Cassette | Shimano CS-M4100 11-42t 10-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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