Bianchi
Impulso Pro GRX 820 Disc 2x12sp
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Geometry
Geometry
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Geometry
Geometry
Spec geometry
| Geometry | LG(58) | MD(55) | SM(51) | XL(61) | XS(47) |
|---|---|---|---|---|---|
| Crank length | 172.5mm | 172.5mm | 170mm | 175mm | 170mm |
| Stem length | 110mm | 100mm | 90mm | 120mm | 80mm |
| Handlebar width | 420mm | 420mm | 400mm | 440mm | 400mm |
| Handlebar reach | 70mm | 70mm | 70mm | 70mm | 70mm |
| Handlebar drop | 130mm | 130mm | 130mm | 130mm | 130mm |
| Saddle width | 149mm | 149mm | 149mm | 149mm | 149mm |
| Dropper post travel | — | — | — | — | — |
| Seatpost offset | 20mm | 20mm | 20mm | 20mm | 20mm |
Specs
Full specs
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Specs
Full specs
Frame
Frame
Bianchi Impulso disc frame (Flat Mount 140/160; PressFit 86.5 x 41; 12x142mm thru-axle; brazed-on front derailleur; SRAM UDH; max chainring 46-52T)
Suspension
Fork
Bianchi Impulso Integrated Fork, carbon fiber composite (Flat Mount 140/160; 12x100mm thru-axle; tire clearance ETRTO 622-42mm; 1 1/8" steerer)
Brakes
Front brake
Shimano hydraulic disc brake, BR-RX820
Rear brake
Shimano hydraulic disc brake, BR-RX820
Front rotor
Shimano SM-RT70 IceTech, Center Lock, 160mm
Rear rotor
Shimano SM-RT70 IceTech, Center Lock, 160mm
Drivetrain
Shift levers
Shimano GRX 820 ST-RX820
Rear derailleur
Shimano GRX 820 RD-RX820 (max cassette sprocket 36T)
Front derailleur
Shimano GRX 820 FD-RX820
Cassette
Shimano CS-HG710, 12-speed, 11-36T (HG11 driver body)
Chain
Shimano CN-M7100
Crankset
Shimano GRX 820 FC-RX820, 48/31T (170mm XS(47)-SM(51); 172.5mm MD(55)-LG(58); 175mm XL(61))
Bottom bracket
Shimano SM-BB72-41B, PressFit
Cockpit
Stem
Velomann AICR Alloy, -2° (80mm XS(47); 90mm SM(51); 100mm MD(55); 110mm LG(58); 120mm XL(61); 1-1/8" steerer; 31.8mm bar clamp)
Handlebars
Velomann Gravel ICR Alloy, 16° flare (130mm drop; 70mm reach; 31.8mm clamp; 400mm SX(47)/SM(51); 420mm MD(55)/LG(58); 440mm XL(61))
Grips
La Spirale Ribbon cork bar tape
Saddle
Velomann MITORA 149 Hyper (250x149mm; carbon rails; claimed 190g ±2)
Seatpost
Bianchi Custom D-Shape, 20mm offset, carbon fiber composite (300mm SX(47); 350mm SM(51)/MD(55); 380mm LG(58)/XL(61))
Wheels & Tires
Front wheel
Velomann Terbium carbon clincher/tubeless-ready wheel, 700C (30mm depth; 25mm internal width)
Rear wheel
Velomann Terbium carbon clincher/tubeless-ready wheel, 700C (30mm depth; 25mm internal width)
Front tire
Pirelli Cinturato GRAVEL H Classic, 40-622 (tan sidewall)
Rear tire
Pirelli Cinturato GRAVEL H Classic, 40-622 (tan sidewall)