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It's right for you if...
You’re looking for a city bike that has it all—style, speed, and super nice parts. You want a hip, high-end bike with an awesome drivetrain and loads of ride-ready accessories.
The tech you get
A lightweight Alpha Smooth Aluminum frame with a comfortable upright geometry and a stagger design, a Gates CDX belt drive with a Shimano Alfine 8-speed internal hub, and a Shimano dynamo front hub that powers your lights. Plus, powerful hydraulic disc brakes, fenders, comfortable ergonomic grips, an adjustable stem, MIK-compatible rear rack, and wide, stable tires with reflective sidewalls.
The final word
District 4's sleek, streamlined look lets you hit the town in style. Plus, every ride you take will be filled with fun, thanks to high-end parts like the quiet Gates CDX belt drive and the smooth-shifting Shimano Alfine internal hub.
The Walkthrough
favorite_borderWhy you'll love it
- The Gates belt drive system is more durable than a standard chain, virtually maintenance-free, and almost silent while you're riding
- The premium-quality Shimano Alfine internal hub gives you a clean look, effortless shifting, and a wide gear range
- It comes equipped with lights, fenders, a kickstand, and a rear rack so you're ready to ride right from the start
- This bike is exceedingly versatile, and capable of everything from leisurely cruises to weekday commutes
- When your bike is dependable, you can spend less time worrying and more time enjoying the ride
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Features
Gates CDX
The Gates CDX belt drive system is more durable than a standard chain, virtually maintenance-free, and almost silent while you're riding.
Alfine 8-speed
The Alfine hub combines superior quality with reliable shifting in a 8 speed hub gear with a large range.
Herrmans H-Black MR8 light
The MR8’s long and even light pattern gives you excellent near-field illumination without dark spots. Side windows provide additional peripheral lighting. The MR8 delivers strong light output—up to 180 lumens, 60Lux.
Shimano Nexus hub dynamo
By building the Nexus dynamo in the front hub, we use less sensitive external parts. Not only does it look better, it is also safer and more reliable.
Shimano hydraulic disc brake
Shimano hydraulic disc brakes ensure that you come to a stop no matter what the circumstances are, so you can feel safe even when you're riding at high speeds.
MIK rear rack
Our MIK-compatible racks make it a piece of cake to secure any MIK accessory. Click it on, and you’re off!
Puncture-resistant tires
Tough Bontrager Hard-Case tires help keep flats from slowing you down.
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Read moreSpecifications
*spec applies to all sizes unless otherwise noted
| Frame | Alpha Smooth Aluminum, internal cable routing, belt compatibility, post-mount disc |
|---|---|
| Fork | Rigid Aluminum |
| Hub front | Shimano 3.0 watt dynamo hub |
|---|---|
| Hub rear | Shimano Alfine S7000, 8 speed |
| *Rim |
Size:
S, M, L Bontrager Connection, alloy, double-wall, 32-hole, schrader valve |
|
Size:
S, M, L Bontrager Connection, double-wall, 32-hole, 20mm width, presta valve |
|
| Tire | Bontrager H2 Comp, reflective, wire bead, 30tpi, 700x40c |
| Max tire size | 700x50c |
| Shifter | Shimano Alfine S7000, 8-speed |
|---|---|
| *Crank |
Size:
S, M Gates CDX S250, 46T, 170mm length |
|
Size:
L Gates CDX S250, 46T, 175mm length |
|
| Bottom bracket | Sealed cartridge, 68mm |
| Cassette | Gates CDX, 22T steel ring |
| Pedal | VP-857 |
| Saddle | Bontrager Commuter Comp |
|---|---|
| Seatpost | Bontrager alloy, 27.2mm, 12mm offset, 330mm length |
| Handlebar | Alloy, 31.8mm clamp, 25mm rise, 630mm width |
| Grips | Bontrager Satellite Elite, alloy lock-on |
| *Stem |
Size:
S, M Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 80mm length |
|
Size:
L Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 90mm length |
|
| Headset | 1-1/8'' threadless, sealed cartridge bearings |
| Brake | Shimano MT200 hydraulic disc |
| Brake rotor | Shimano RT10, centerlock, 160mm |
| *Light |
Size:
S, M, L Herrmans H-Trace ECO dynamo LED |
|---|---|
|
Size:
S, M, L Herrmans MR8, 180 lumen, 60 lux |
|
| Kickstand | Rear mount, alloy |
| Cargo rack | MIK Compatible alloy rear rack |
| Fender | SKS plastic |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
|---|
Sizing & Tech
The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local retailer.
All measurements provided in cm unless otherwise noted.
| Frame size letter | A — Seat tube | B — Seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 45.0 | 73.5° | 12.5 | 70.0° | 59.1 | 29.3 | 7.0 | 46.8 | 4.5 | 8.4 | 108.6 | 66.0 | 38.2 | 60.2 |
| M | 50.0 | 73.0° | 14.5 | 70.5° | 57.4 | 29.3 | 7.0 | 46.8 | 4.5 | 8.1 | 109.0 | 67.4 | 38.5 | 61.9 |
| L | 55.0 | 73.0° | 17.0 | 71.0° | 56.1 | 29.3 | 7.0 | 46.8 | 4.5 | 7.7 | 110.2 | 69.1 | 39.4 | 64.4 |