Bicycle Archive · Specification reportBicycle Archive · Specification report2021 Kona Blast · 2020 Kona Blast
| Specification | 2021 Kona Blast | 2020 Kona Blast |
|---|---|---|
| Overview | ||
| Model year | 2021 | 2020 |
| Brand | Kona | Kona |
| Model | Blast | Blast |
| Bicycle type | Mountain | Mountain |
| Archive ID | 900001982 | 900002888 |
| Original MSRP | $1,049.00 | — |
| Colors | Gloss Chocolate w/ Yellow, Rust & Flame Fade Decals | Gloss Dirty Cyan or Black w/ Dark Cyan & Faux Yellow Decals |
| Sizes | S; M; L; XL | S; M; L; XL |
| Frameset | ||
| Frame construction | Kona Race Light 6061 Aluminum Butted | Kona Race Light 6061 Aluminum Butted |
| Frame material | Aluminum | Aluminum |
| Fork | RockShox Judy Silver TK Solo Air 100mm | RockShox 30 Silver TK Solo Air 100mm |
| Rear shock | n/a | n/a |
| Drivetrain | ||
| Shifters | Shimano Deore | Shimano Deore |
| Front derailleur | n/a | n/a |
| Rear derailleur | Shimano Deore | Shimano Deore |
| Crankset | FSA Alpha Drive 1x; Chainring: 28t | FSA Alpha Drive 1x; Chainring: 28t |
| Bottom bracket | FSA 7420 73mm | FSA 7420 |
| Cassette | Shimano Deore 11-51t 11spd | Shimano Deore 11-42t 10spd |
| Chain | KMC X11 | KMC X10 |
| Pedals | Kona JS2 | Kona JS2 |
| Brakes | ||
| Brakes | Brake Calipers: Shimano MT201 Hydraulic; Front Brake Rotor: Shimano RT10 180mm (centerlock); Rear Brake Rotor: Shimano RT10 160mm (centerlock); Brake Levers: Shimano MT201 Hydraulic | Brake Calipers: Shimano MT401 Hydraulic; Front Brake Rotor: Shimano RT10 180mm (centerlock); Rear Brake Rotor: Shimano RT10 160mm (centerlock); Brake Levers: Shimano MT401 Hydraulic |
| Cockpit & contact points | ||
| Headset | FSA No.57B | FSA No.57B |
| Handlebar | Kona XC/BC Riser | Kona XC/BC Riser |
| Stem | Kona XC | Kona XC |
| Saddle | Kona XC | Kona XC |
| Seatpost | Kona Thumb 31.6mm | Kona Thumb 31.6mm |
| Wheels & tires | ||
| Hubs | (F) Formula 100x9mm (centerlock) / (R) Shimano 135x10mm (centerlock) | (F) Formula 100x9mm (centerlock) / (R) Shimano 135x10mm (centerlock) |
| Rims | WTB ST I27 TCS 2.0 | WTB ST I27 TCS 2.0 |
| Spokes | Stainless Black 14g | Stainless Black 14g |
| Front tire | Maxxis Forekaster 27.5x2.35" | WTB Trail Boss 27.5x2.25" |
| Rear tire | Maxxis Forekaster 27.5x2.35" | WTB Trail Boss 27.5x2.25" |
| Wheel size | 27.5" | 27.5" |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2021 Kona Blast | 2020 Kona Blast |
|---|---|---|
| Selected size / position | M | M |
| Reach | 440 mm | 440 mm |
| Stack | 599 mm | 599 mm |
| Head-tube angle | 68° | 68° |
| Seat-tube angle | 75° | 75° |
| Seat tube | 420 mm | 420 mm |
| Head tube | 115 mm | 115 mm |
| Chainstay / rear center | 435 mm | 435 mm |
| Wheelbase | 1139 mm | 1139 mm |
| Bottom-bracket drop | 50 mm | 50 mm |
| Bottom-bracket height | 305 mm | 304 mm |
| Standover height | 719 mm | 718 mm |
| Fork offset / rake | 42 mm | 42 mm |
| Front center | 709 mm | 709 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 8, 2026.