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2 × 10 — 20 speed
The Topstone Tiagra is easier to ride up hills than similar bikes.
The Topstone Tiagra is geared about the same as similar bikes for riding downhill.
June 29, 2020
Cannondale's attention to detail on the Topstone is excellent, and they've made some really interesting design choices to stand out in an increasingly-crowded category. Apparently they've succeeded -- the Topstone 105 has been the third most popular bike on all of 99 Spokes this year.
Immensely capable gravel machine that will take you further off the beaten track than ever
Great fun to take almost anywhere off-road, but lacks overall versatility that defines a true gravel bike
Overall, the Cannondale Topstone Carbon Lefty 3 is a fun bike. Yes, a tad on the heavy side, but with some slight changes could be made lighter. Topstone Carbon Lefty 3...
Cannondale have equipped their Topstone platform with a suspension fork for the new Topstone Carbon Lefty 1. Can this scintillating bike convince us on the trails and do small 650B wheels make sense on gravel? Find all the details and our first ride review here.
Fast, light gravel ripper with top-notch equipment and useful suspension tech
Tons of fun - though we'd like a little more tyre clearance for techy trails, please
The Cannondale Topstone Carbon Lefty gives them an efficient "full suspension" gravel bike, complete with all-new, 2nd gen Lefty Oliver suspension fork!
SmartForm C2 Alloy, 142x12 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts, 142x12 thru-axle, Tapered headtube, Flat mount disc, StraightShot internal cable routing, Multiple gear/bottle mounts
Full Carbon, 1-1/8" to 1-1/4" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru axle
Topstone Si, 25mm Alloy top cap
Cannondale 3, 6061 alloy, 7°
Cannondale 3, butted 6061 alloy, 16 deg flare drop
Fabric Scoop Radius Sport, steel rails
Cannondale C3, 6061 Alloy, 27.2 x 350mm (44-56), 400mm (58-63)
Cannondale Grip Bar Tape w/Gel, 3.5mm
Shimano Tiagra GS
Shimano Tiagra braze-on
FSA Omega ME Alloy, 46/30
Shimano Tiagra hydro disc, 2x10
Shimano HG500, 11-34, 10-speed
KMC X10, 10-speed
Shimano Tiagra hydro disc, 160/160mm RT54 rotors
Shimano Tiagra hydro disc
WTB ST i23 TCS, 28h, tubeless ready
Stainless steel, 14g
Formula CL-712, 12x100 centerlock
WTB Riddler TCS Light, 700 x 37c, tubeless ready