POLYGON Cascade 4 Hardtail Mountain Bike

The Cascade is built with a lightweight and durable AL6 frame with modern geometry for a more comfortable ride. With 27.5” wheels for less rolling resistance, a 100mm travel suspension fork to smooth out the bumps of rough terrain and disc brakes to keep you in full control. Whether you’re riding for sport or for transport, the Cascade will make you fall in love with cycling all over again.

About Polygon

Polygon are a world-renowned bike manufacturer with over 25 years of cycling expertise. Producing close to a million bikes a year out of their state-of-the-art manufacturing facilities, their commitment to innovation and craftsmanship has seen them pick up numerous industry awards and become the brand of choice for leading professionals. You’ll be in good company when you ride a Polygon.

• All-rounder hardtail 27.5” mountain bike
• Frame: ALUTECH XC SPORT 27.5"
• Fork: SUNTOUR XCE, 100MM 27.5" TRAVEL
• Handle Bar: STEEL W:680MM R:40MM BB:31.8MM
• Stem: ENTITY OE E: 45MM, BB: 31.8MM
• Head Set: ZS 44/28.6 | ZS 44/30
• Saddle: FOMING STEEL RAIL
• Seat Post: ENTITY SPORT, 15MM OFFSET, 27.2MMX350MM
• Bottom Bracket: CARTRIDGE BB
• Chain: KMC Z-7 8-SPEED
• Cassette: SHIMANO CS-HG200
• Shifter: SHIMANO SL-M315 3X8 ALTUS
• Rear Derailleur: SHIMANO RD-TX800 7/8-SPEED DA
• Tyres: PERFORMANCE TYRE 27.5" X2.1
• Brake: ALHONGA HJ-OD07 HYD D-BRAKE
• Wheel Set: DOUBLE WALL ALLOY RIMS W/ ALLOY HUBS
• Wheel Size: 27.5
• Colour: Green
• Size/Height: Small/152.5-165cm, Medium/162.5-175cm, Large/172.5-185cm, X Large/182.5-195cm

Please note: some minor specification changes may occur without notice. Any changes will use equivalent or higher quality parts.

Building your bike: Bikes purchased online are delivered boxed and will require assembly before they can be used. View the GO Outdoors Bike Assembly guide for more info, including step-by-step and video instruction guides.

We are happy to assemble your bike for FREE at any GO Outdoors store with a bike servicing department (this excludes all GO Express stores, and selected other GO locations). Please call ahead to confirm that you would like us to build your bike. You can find store details and phone numbers here. Every bike sold also comes with FREE 6 week safety check.

Can't get to a GO store? Our partners at LeisureLakes bikes will also assemble and inspect any new bikes purchased from our website. You can book a LeisureLakes appointment here.

Warranty and Returns info: Unfortunately, we are not able to process faulty or warranty bike returns through our warehouse. If your bike develops a fault please contact your nearest GO Outdoors store with a bike servicing department where they will be able to help you. Please call to discuss and book an appointment before you go to store. You can find store details and phone numbers here.