Polygon Cascade 4 27.5" MTB Black Polygon Cascade 4 27.5" MTB Black 2023 Polygon CASCADE 4 Specs, Comparisons, Reviews 99 Spokes Polygon Cascade 4 Mountain Bike, Sports Equipment, Bicycles & Parts 2021 Polygon CASCADE 4 Specs, Comparisons, Reviews 99 Spokes. The Polygon Cascade family is a workhorse series of MTB's which are budget friendly and high quality. This piece has been transformed into a hybrid bike This piece is custom built, serviced and given new a wheelset, tires, grips, chain, cranks, stem, handlebars, rigid fork and a brake bleed for both hydraulic calipers. Size M (165 178cm) Specifications Frameset: AL6 XC SPORT FRAME Fork: RIGID FORK Shifter: SHIMANO DEORE 11 SPEED RAPID FIRE Crank : PROWHEEL CLAW 42T CHAINRING Cassette: SHIMANO DEORE 11 SPEED 11 46T CASSETTE SPROCKET Rear Derailleur: SHIMANO DEORE 11 SPEED BB: CARTRIDGE BEARING W CAGED BEARING & 122. 5mm SQUARE AXLE Chain: KMC Z 8. 3 Pedal: DMR VAULT GOLD Saddle: MTB SADDLE, STEEL 7mm Seatpost: TRUATIV, 27. 2x350mm Handlebar: Aluminum, W: 680MM, B: 31. 8MM, R D: 40MM Handlestem: WAKE ALLOY, E: 45MM, B: 31. 8MM, R D: 0 Headset: ZERO STACK (ZS) THREADLESS, ZS 44 28. 6 44 30 Wheel Set: ALLOY DOUBLE WALL Tire: SCHWALBE G ONE SPEED 27. 5" X 2. 00 Rim: ALLOY DOUBLE WALL AV H: 20 584x20 32H FOR TIRE 584 28 62 DISC Hub: F: ALLOY DISC BRAKE QR9x100mm 32H 6B R: ALLOY DISC BRAKE QR9x135mm 32H 6B FOR CASSETE SPROCKET Brake Lever: SHIMANO MT200 Brake Caliper: SHIMANO MT200, HYDRAULIC DISC BRAKE Rotor: 160mm 6 BOLTS All our project up cycle bikes are covered by a 3 month warranty for defects or mechanical malfunction. All project up cycle bikes come with 1 free Lunch Break Tuneup (worth $30) Drop by our store to test ride or find out more!