| Monday | 9.00am - 5.30pm |
| Tuesday | 9.00am - 5.30pm |
| Wednesday | 9.00am - 5.30pm |
| Thursday | 9.00am - 5.30pm |
| Friday | 9.00am - 5.30pm |
| Saturday | 9.00am - 5.30pm |
| Sunday | 10.00am - 4.00pm |
| Bank Holidays | 10.00am - 5.00pm |
2026 Merida eBig Nine 300 SE Electric Mountain Bike in Silk Dark Grey
Click & Collect - Always fast, easy & free
Select Click & Collect at checkout and pick up your order at a convenient location
| Monday | 9am - 5.30pm |
| Tuesday | 9am - 5.30pm |
| Wednesday | 9am - 5.30pm |
| Thursday | 9am - 5.30pm |
| Friday | 9am - 5.30pm |
| Saturday | 9am - 5.30pm |
| Sunday | 10am - 4.00pm |
| Bank Holidays | 10am - 4.00pm |
| Monday | 8am - 6.00pm |
| Tuesday | 8am - 6.00pm |
| Wednesday | 8am - 6.00pm |
| Thursday | 8am - 6.00pm |
| Friday | 8am - 6.00pm |
| Saturday | 9am - 5.30pm |
| Sunday | 10am - 4.00pm |
| Bank Holidays | 10am - 5.00pm |
Hardtail eMTB with Shimano Steps EP5 60Nm motor and 504w battery. Equipped with Shimano 8 speed drivetrain and Shimano hydraulic disc brakes.
You don't need to spend a fortune to enjoy e-biking, our budget-friendly eBig Nine 300 SE delivers a quality ride thanks to an aluminium frame and powerful but refined Shimano EP5 drive unit and the convenience of an easily removable externally mounted 504 Wh battery. Powerful Shimano hydraulic disc brakes are on hand to keep control no matter what the weather and the tough, long-lasting CUES drivetrain offers plenty of gearing for off-road adventures or city streets.
All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 will incur a £25 delivery fee.
Free Delivery On Orders Over £50.00 - When you spend more than £50.00 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.
Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.
At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.
Find Out More About Returns >
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battery
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504Wh
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brakes
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Front: Shimano MT-200; 2 piston caliper with Shimano RT10; 180 mm rotor Rear: Shimano MT-200; 2 piston caliper with Shimano RT10; 180 mm rotor
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cassette
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Shimano HG300; 11-45 teeth; 8 speed
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chain
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KMC Z8.3 EPT
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crankset
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Prowheel EB11; 165mm for all sizes - cranks: Prowheel Pro38P-S16-49; 38 ATC plus
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display
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Shimano SC-EN500
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fork
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Suntour XCM34-Boost LOR DS; 100mm; Tapered; 51mm fork offset; 29x2.4 max tyre size
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frame
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Lite - Hydroformed 6066 aluminium with internal cable routing via Smart entry ports. Tapered head tube, 148 x 12mm axle standard. Complete with mounts for mudguards and kickstand. Max. tyre size 29 x 2.25
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grips
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Merida Comp TK
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handlebars
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Merida Expert; aluminium; 680mm wide; 15mm rise
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headset
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Merida-2341 (for the steerer 1-1/8~1.5) with 10mm*2 spacers
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motor
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Shimano EN604 Battery ; 504Wh, Shimano EP5; 60Nm
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pedals
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VP VPE-891
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rear derailleur
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Shimano Essa
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saddle
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Merida Expert TK; 168 width
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seatpost
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Merida Comp CC; aluminium; 30.9mm diameter; 0mm layback
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shifters
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Shimano ALTUS
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tyres
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Front: Kenda Booster; 29x2.2; wire Rear: Kenda Booster; 29x2.2; wire
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wheelset
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Rims: Merida Comp TK; 20mm inner rim width; aluminium Spokes: Black stainless ; black nipples Front Hub: Shimano QC300; 100x9mm; 32 spoke; Centerlock Rear Hub: Shimano TC500-HM-B; 148x12mm; 36 spoke; Centerlock
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Please note the following size guides are a general overview and represent a rough guide to bike sizing. Each bike may deviate from these figures.
Road Bikes
| Size | XXS | XS | S | M | L | XL | XXL |
| Height (cm) | 155 - 160 | 160 - 166 | 167 - 172 | 173 - 179 | 180 - 185 | 186 - 191 | 192 - 207 |
Mountain Bikes
| Size | XS | S | M | L | XL |
| Height (cm) | 145 - 160 | 150 - 165 | 160 - 175 | 170 - 185 | 180 - 200 |
Hybrid & Urban Bikes
| Size | XS | S | M | L | XL |
| Height (cm) | 150 - 160 | 160 - 170 | 170 - 180 | 180 - 190 | 190 - 200 |



