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Part of the inspiration for the Filter was a bike that Ed built up a while back. While many customers were choosing to use the Edit as their 'big bike', Ed was looking for something a bit more trail friendly, but keeping the radness of the Edit intact. The result was built around a combination of Cane Creek's Helm fork and DBcoil IL rear shock. It was good. So good in fact that we decided to develop a trail bike off the back of it.
So here we are with the Filter launch edition. The all-new Filter frame with 27.5" wheels, 135mm of rear wheel travel and a 150mm fork. It uses the latest Helm MkII fork and the newly released DBcoil IL Trunnion rear shock. We've paired that up with a GX Eagle 1x12 drivetrain and G2 RSC 4-pot brakes. The wheels are the Proterra Tough i30s from WTB running Michelin Wild AM tyres front and rear.
Yes it's a trail bike. But it's engineered like an all-mountain bike. And the build - it's as capable as you are. We don't do categories and even if we did, we wouldn't know which one to put this bike in. But what we can say is that it's a heap of fun to ride.
| Travel: | 150mm front / 135mm rear |
| Wheel Size: | 27.5" front & rear |
| Forks: | Cane Creek Helm Mk2 Air 150mm |
| Shock: | Cane Creek DBcoil IL 185x55mm |
| Drivetrain: | SRAM GX Eagle 1x12 |
| Brakes: | SRAM G2 RSC |
| Wheels: | WTB Proterra i30 Tough |
| Cockpit: | Burgtec |
| Weight: | 14.2kg (large) |
| Size | S | M | L | XL | |
|---|---|---|---|---|---|
| A | Reach | 425 | 455 | 475 | 500 |
| B | Seat Tube | 400 | 425 | 450 | 480 |
| C | Head Tube | 115 | 120 | 125 | 130 |
| D | Stack | 605.3 | 609.7 | 614.5 | 618.8 |
| E | Wheelbase | 1167.2 | 1199.3 | 1221.4 | 1248.5 |
| F | Head Angle | 65° | |||
| G | Seat Angle | 74.5° | |||
| Seat Angle at 600mm | 78.7 ° | ||||
| Seat Angle at 700mm | 78.1 ° | ||||
| Seat Angle at 800mm | 77.7 ° | ||||
| H | Chainstay | 430 | |||
| I | Bottom Bracket Drop | -22 | |||
| J | Fork Length | 542 | |||
| K | Fork Offset | 37 | |||
| Frame | Airdrop Filter 6061-T6 Alloy |
| Fork | Cane Creek Helm Mk2 Air 150mm |
| Rear Shock | Cane Creek DBcoil IL 185x55mm |
| Headset | Cane Creek 40 ZS44/56 |
| Spacers | Cane Creek Interlok Composite 5mm |
| Rear Axle | Airdrop CNC Axle Boost 12x148mm |
| Seatpost | OneUp Components v2 Dropper |
| Seat Clamp | Airdrop CNC Bolt |
| Rear Derailleur | SRAM GX Eagle 1x12 |
| Shifter | SRAM GX Eagle 1x12 |
| Cassette | SRAM GX Eagle XG-1275 10-52 |
| Chain | SRAM GX Eagle |
| Chain Guide | Available separately |
| Cranks | SRAM GX Eagle DUB 7K 170mm DM32 |
| B-Bracket | SRAM DUB 73mm |
| Brakes | SRAM G2 RSC |
| Rotors | SRAM Centerline 200mm front, 180mm rear |
| Wheels | WTB Proterra Tough i30 |
| Tubeless | WTB TCS Rim Tape & Valves with Mucoff Sealant |
| Tyres | Michelin Wild AM 27.5x2.4" Front / Rear |
| Stem | Burgtec Mk3 Enduro 35mm Reach, 35mm Clamp |
| Handlebars | Burgtec Ridewide 800mm Wide, 30mm Rise, 35mm Clamp |
| Saddle | WTB Volt Race Custom |
| Grips | Burgtec Bartender Lock-on |
| Pedals: | Available separately |
Choosing the right spring rate is key to getting the most out of a coil shock. Work out your total rider weight - including your normal riding kit - then use this chart to choose a spring. You can use the shock's preload adjuster to do the fine tuning later.
Please Note
These spring rates are calculated based on the Filter's kinematics. Even if you're used to running coil shocks on other bikes, you may need to check the right spring for the Filter. These calculations are based on 30% sag and a 65% rear / 35% front weight bias. On the Filter's 185mm shock length, 30% sag measures at 168.5mm eye-to-eye.
| Rider Weight | Spring Rate | Preload Turns |
|---|---|---|
| 50kg - 54kg | 300lb | 0 |
| 55kg - 59kg | 0.5 - 1.5 | |
| 60kg - 64kg | 2 - 3 | |
| 65kg - 69kg | 350lb | 0.5 - 1 |
| 70kg - 74kg | 2 - 3 | |
| 75kg - 79kg | 400lb | 0.5 - 1 |
| 80kg - 84kg | 2 - 3 | |
| 85kg - 89kg | 450lb | 0.5 - 1 |
| 90kg - 94kg | 2 - 3 | |
| 95kg - 99kg | 500lb | 0.5 - 1 |
| 100kg - 104kg | 2 - 3 | |
| 105kg - 109kg | 550lb | 0.5 - 1 |
| 110kg - 114kg | 2 - 3 | |
| 115kg - 119kg | 600lb | 0.5 - 1 |
| 120kg - 124kg | 2 - 3 |
| S | 155cm - 167cm (5'2" - 5'6") | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 165cm - 178cm (5'5" - 5'10") | ||||||||||||
| L | 175cm - 188cm (5'9" - 6'2") | ||||||||||||
| XL | 185cm - 198cm (6'1" - 6'6") | ||||||||||||
It takes a few days for us to prepare your order before shipping. At busy times there can be a build queue of a few days which may affect lead times. Preorders can take up to 30 days to ship.
Shipping charges depend on your location. Check our Shipping Page for more details.
All prices on the website include UK sales tax of 20%. If you are in the EU, select your shipping destination at the checkout stage and the website will automatically remove the UK sales tax before you are asked to pay.
Bike orders shipped to the EU may also incur local sales taxes (typically 15-25%) and import duties (14%). More info
