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 - 4.00pm |
Merida Big Trail 500 Hardtail Mountain Bike in 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 |
The trail hardtail to beat. Fast and fun handling wrapped up in a tough, trail-ready package. Our new BIG.TRAIL 500 is the real deal for anyone after no-nonsense riding thrills.
A passion for trail fun, all wrapped up in a no-nonsense package. The BIG.TRAIL 500 offers handling that at inspires confidence and pushes you to go that little bit further in your search for true trail connection. Our top-quality aluminium frame is paired with tough, trail-ready 29er tyres, a 140 mm travel fork and a long travel dropper post to add confidence and capability to any ride.
The BIG.TRAIL is back and better than ever! Hailed by the international mountain bike press as one of the best trail hardtails around, we've tweaked it so it goes up, down and along even faster - which obviously means more fun. With updated, progressive geometry, the new BIG.TRAIL builds on an incredibly successful heritage, with a slack head angle and extended reach helping tame the gnarliest trails and a steeper seat angle that makes climbing up to do it again a breeze. We've also given it a slicker and tricker look and improved the frame protection too, so it'll stay looking good for longer. Join the BIG.TRAIL family and enjoy hassle-free trail fun in spades. Available from XSmall to XLarge, perfect for finding your preferred size and reach options.
- Durable double butted aluminium frame
- 140 mm RockShox Psylo fork with 35 mm chassis for incredible stiffness
- Progressive trail bike geometry with long reach, slack head angle and steep seat angle
- 29er wheels specced with 2.5" front and 2.4" rear tyre with aggressive trail pattern
- Extremely low standover height paired with long travel dropper posts
- Powerful 4-piston Shimano front brake paired with lightweight 2-piston brake
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 £20 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 >

brakes
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Front Brake Shimano MT410; 4 piston with Shimano RT30; 203mm rotor Rear Brake Shimano MT4100; 2 piston with Shimano RT30; 180mm rotor
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brake_levers
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Shimano MT410
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cassette
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Shimano LG300; 11-48 teeth; 10 speed
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chain
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KMC xGlide
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crankset
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Merida Expert TR II; 32 teeth With Merida Expert TR ISCG05 - 165mm XShort and Short; 170mm Mid, Long and Xlong
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fork
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RockShox Psylo Silver RC; Air; 140mm travel; platform
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frame
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TFS - 6061 double butted technoformed aluminium, smooth welding, Boost axle standard, tapered head tube, inboard disc mounts, internal cable routing, BSA BB standard, Max tyre size 29" x 2.5"
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grips
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Merida Comp EC
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handlebars
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Merida Expert TR II; aluminium; 780mm wide; 18mm rise
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headset
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Acros ICR Merida external neck; Upper and lower IPS sealing
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hubs
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Front Hub Shimano TC500-B; 110x15mm; 32 spoke; Centerlock Rear Hub Shimano TC500-HM-B; 148x12mm; 32 spoke; Centerlock
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material
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Aluminum
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rear_derailleur
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Shimano Cues U6000; GS
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rims
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Merida Comp TR; 29mm inner rim width; aluminium; Tubeless ready (tubeless tape and valves not included)
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seatpost
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Merida Expert TR II; 34.9mm diameter; 0mm layback; XShort: 150mm seat post travel - Short: 170mm seat post travel - Mid/Long: 200mm seat post travel - XLong: 230mm seat post travel
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shifters
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Shimano CUES U6000
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tyres
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Front Tyre Maxxis Minion DHF; 29" x 2.5"; Kevlar bead; TR EXO Dual Rear Tyre Maxxis Dissector; 29" x 2.4"; Kevlar bead; TR EXO Dual
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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 |