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The Opus Horizon is a 700c aluminum-framed gravel bike, that will take you on and off any road in BC or Canada.
Available in store
CloseThe Horizon AL 105/GRX takes our proven Horizon geometry to new extremes. A dropped chainstay gives you clearance for 45mm tires and the ability to mount 650b wheels with up to 50mm tires. All that, plus a threaded bottom bracket, take you places you never thought possible. Meanwhile the rugged alloy frame shoulders heavier loads on multiple mounting points, including on new top tube mounts. On road or no road, travelling light or fully loaded, one bike does it all. The Horizon AL 105/GRX.
Frame | Meta 30 aluminum |
Fork | Full carbon tapered 1-1/2 to 1-1/8 in |
Sizes | XXS-XS-S-M-L-XL |
Shifters | Shimano 105 R7000 2 x 11 |
Front Derailleur | Shimano 105 R7000 |
Rear Derailleur | Shimano GRX-810 |
Brakes | Promax Decode R Flat Mount twin piston disc |
Brake Levers | Shimano 105 R7000 |
Crank | FSA Omega Adventure |
Chainrings | 48-32 |
Bottom Bracket | FSA sealed BSC threaded |
Cassette Cogs | Shimano 11-34 |
Chain | Shimano HG11 |
Headset | FSA Orbit integrated sealed |
Handlebar | X-Race Aero 16° flare |
Stem | Promax |
Grips/Tape | Velo VexGel diamond grip |
Saddle | Selle Italia X3 XP Keramid |
Seatpost | Promax alloy 27.2 x 300 |
Wheels/Rims | Weinmann U28TL |
Hubs | Alex Bear Pawls through axle 12 mm fr/rr |
Tires | Kenda Flintridge Pro 700 x 35 CSK |
Pedals | N/A |
Other | Top tube bag mounts |
Other | Fr/rr rack and fender mounts |
SIZE | XXS | XS | S | M | L | XL |
SIZE (CM) | ||||||
RIDER (± 5CM) | 155 | 160 | 168 | 175 | 183 | 190 |
RIDER (± 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 | 113 | 133 | 153 | 173 | 193 | 213 |
HEAD ANGLE | 69.75 | 70.5 | 71 | 71.5 | 72 | 72.5 |
SEAT ANGLE | 75 | 74.5 | 74 | 73.5 | 73 | 72.5 |
CHAIN STAY | 425 | 425 | 427 | 427 | 429 | 429 |
BB DROP | 80 | 78 | 76 | 74 | 73 | 72 |
STACK | 534 | 553 | 572 | 590 | 610 | 630 |
REACH | 372 | 376 | 380 | 384 | 392 | 400 |
STAND OVER | 718 | 743 | 766 | 791 | 818 | 847 |
BAR | 380 | 400 | 420 | 420 | 440 | 460 |
STEM | 70 | 80 | 90 | 100 | 110 | 110 |
CRANK | 165 | 170 | 172.5 | 172.5 | 172.5 | 175 |
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