Synch's Ultra Monkey is the ultimate choice if you’re looking for more acceleration, more torque and a thrill! 250w Bafang hub motor being powered by a 48v battery. Quick, agile and capable the 250w bikes are an all-terrain machine giving riders the ultimate thrill!
With a throttle fitted as standard, these bikes are strictly for off road/private land use only.
Designed & Built In UK
All Synch bikes are built to order and current production lead time is 2 weeks on all Synch Super Monkey models. Designed and assembled in the UK the Synch Classic Super Monkey bikes come with a 2 year frame and forks and 1 year electronics warranty.
How is the frame size measured?
Most E-bikes are measured from the centre of the crank to the base of the seat post tube. However, some E-bike manufacturers may measure their bikes differently depending on their style.
![](https://cdn.shopify.com/s/files/1/0336/3258/3739/files/Untitled_design_6d5a90fa-9f3a-40f8-958f-9c4d43358e9d_480x480.png?v=1642604536)
What is the right frame size for me?
This helpful guide will help you to find which size electric bike is best suited to you. If you would like a bit more information, don't hesitate to get in touch.
HYBRID ELECTRIC BIKES
MENS
Rider Height | Recommended Hybrid Frame Size | |||
---|---|---|---|---|
Feet & Inches | Centimetres | Frame Size (inches) | Frame Size (cm) | Frame Size |
4'10" - 5'2" | 148cm - 158cm | 13" - 15" | 33 - 39 | X-Small |
5'2"" - 5'6"" | 158cm - 168cm | 15"-16" | 38 - 44 | Small |
5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | 43 - 47 | Medium |
5'10" - 6'1" | 178cm - 185cm | 19" - 20" | 48 - 52 | Large |
6'1" - 6'4" | 185cm - 193cm | 21" - 22" | 53 - 57 | X-Large |
6'4" - 6'6" | 193cm - 198cm | 23" - 24" | 58 - 61 | XX-Large |
WOMENS
Rider Height | Recommended Women's Hybrid Frame Size | ||
---|---|---|---|
Feet & Inches | Centimetres | Frame Size (inches) | Frame Size |
4'10" - 5'2" | 148cm - 158cm | 13" - 14" | X-Small |
5'2"" - 5'6"" | 158cm - 168cm | 15" - 16" | Small |
5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | Medium |
5'10" - 6'1" | 178cm - 185cm | 19"+ | Large |
ELECTRIC MOUNTAIN BIKES
MENS
Rider Height | Recommended Mountain Frame Size | |||
---|---|---|---|---|
Feet & Inches | Centimetres | Frame Size (inches) | Frame Size (cm) | Frame Size |
4'10" - 5'2" | 148cm - 158cm | 13" - 14" | 33 - 37 | X-Small |
5'2"" - 5'6"" | 158cm - 168cm | 15" - 16" | 38 - 42 | Small |
5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | 43 - 47 | Medium |
5'10" - 6'1" | 178cm - 185cm | 19" - 20" | 48 - 52 | Large |
6'1" - 6'4" | 185cm - 193cm | 21" - 22" | 53 - 57 | X-Large |
6'4" - 6'6" | 193cm - 198cm | 23" - 24" | 58 - 61 | XX-Large |
WOMENS
Rider Height | Recommended Women's Mountain Frame Size | ||
---|---|---|---|
Feet & Inches | Centimetres | Frame Size (inches) | Frame Size |
4'10" - 5'2" | 148cm - 158cm | 13" - 14" | X-Small |
5'2" - 5'6" | 158cm - 168cm | 15" - 16" | Small |
5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | Medium |
5'10" - 6'1" | 178cm - 185cm | 19"+ | Large |
COMMUTER ELECTRIC BIKES
MENS
Rider Height | Suggested Commuter Bike Size | ||
---|---|---|---|
Feet & Inches | Centimetres | Frame Size (cm) | Frame Size |
4'10" - 5'0" | 148cm - 152cm | 47cm - 48cm | XX-Small |
5'0" - 5'3" | 152cm - 160cm | 49cm - 50cm | X-Small |
5'3" - 5'6" | 160cm - 168cm | 51cm - 53cm | Small |
5'6" - 5'9" | 168cm - 175cm | 54cm - 55cm | Medium |
5'9" - 6'0" | 175cm - 183cm | 56cm - 58cm | Large |
6'0" - 6'3" | 183cm - 191cm | 58cm - 60cm | X-Large |
6'3" - 6'6" | 191cm - 198cm | 61cm - 63cm | XX-Large |
WOMENS
Rider Height | Suggested Women's Commuter Frame Size | ||
---|---|---|---|
Feet & Inches | Centimetres | Frame Size (cm) | Frame Size |
4'10" - 5'1" | 147cm - 155cm | 44cm - 46cm | XX-Small |
5'1" - 5'3" | 155cm - 160cm | 47cm - 49cm | X-Small |
5'3" - 5'5" | 160cm - 165cm | 50cm - 52cm | Small |
5'5" - 5'8" | 165cm - 172cm | 53cm - 55cm | Medium |
5'8" - 5'10" | 172cm - 180cm | 56cm - 57cm | Large |
VIEW ALL COMMUTER ELECTRIC BIKES
![](http://ecobikecompany.com/cdn/shop/files/Super_Monkey_claasic_9_{width}x.jpg?v=1666799350)
Large Range
![](http://ecobikecompany.com/cdn/shop/files/SynchGO_{width}x.jpg?v=1666799552)
LCD Display
![](http://ecobikecompany.com/cdn/shop/files/SynchGO_25_{width}x.jpg?v=1666875559)
Comfort
![](http://ecobikecompany.com/cdn/shop/files/SynchGO_24_{width}x.jpg?v=1666875404)
High Quality Parts
![](http://ecobikecompany.com/cdn/shop/files/SynchGO_26_{width}x.jpg?v=1666875628)
Off Road Riding
![](http://ecobikecompany.com/cdn/shop/files/SynchGO_23_{width}x.jpg?v=1666867996)
Accessories
specifications
Battery and Range
Motor
Battery
Suspension
Display
Lights
Brakes
Tyres
Gears
Frame
Max Speed
Max Rider Weight
Weight
Warranty
Delivery and Returns
![](http://ecobikecompany.com/cdn/shop/files/Synch-white-glove_{width}x.jpg?v=1709827982)
Frame and Forks
2 years -
Electrical system
1year
The Warranty is made to the original owner only and is non-transferable.
*excluding wear and tear, damage (accidental or otherwise).