ZENITH GRX12

Features

- Aluminum frame designed for gravel riding
- Full carbon fork
- Shimano GRX 12-speed drivetrain
- Clearance for 700 x 45mm
- FSA e-system HM.2 and integrated 250Wh battery

Specifications

Frame Aluminum
Fork Full carbon tapered 1-1/2 to 1-1/8 in
Sizes XXS-XS-S-M-L-XL
Shifters Shimano ST-RX610 2x12
Front Der. Shimano RD-RX820
Rear Der. Shimano FD-RX820
Brakes Shimano RX 400 - hydraulic disc, flat mount
Crankset Shimano GRX 610
Chainrings 46-30
Bottom Bracket Shimano sealed cartridge PF86
Cassette Shimano 11-34
Chain Shimano M6100 HG 12s
Headset FSA integrated sealed
Handlebar FSA NS Adventure compact 12° flare
Stem FSA Gossamer +/-6°
Grips/Bar Tape Velo VexGel diamond
Saddle Opus Gravel
Seatpost FSA Gossamer 27.2 x 350mm
Wheels/Rims FSA Team 30 i23
Hubs FSA 12 x 100 mm / 12 x 142mm
Tires Vittoria Terreno T50 Mixed Gravel Endurance 700x40c
Pedals N/A
Other FSA HM2.0 hub motor 245W 40Nm
Other FSA e-system battery 250Wh 36V 6.8Ah
Other Optional 180Wh 36V 4.8Ah range extender battery

Geometry

Size XXS XS S M L XL
Size (cm)
Rider height (± 5cm) 155 160 168 175 183 190
Rider height (± 2") 5’1” 5’3” 5'6" 5’9” 6’0” 6'3"
Seat tube 420 450 480 510 545 580
Top tube 515 530 544 559 578 599
Head tube 115 135 155 175 195 215
Head angle 69.75 70.5 71 71.5 72 72.5
Seat tube angle 75 74.5 74 73.5 73 72.5
Chainstays 428 428 430 430 432 432
BB drop 80 78 76 74 73 72
Stack 534 554 573 592 611 631
Reach 372 376 380 384 391 400
Wheelbase 684 709 735 760 789 815
Handlebar width 380 400 420 420 440 440
Stem length 70 80 90 90 100 100
Crank length 165 170 170 172.5 172.5 175

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