Cannondale Topstone Carbon 3 GRX 1x 2025 Deep Teal Gravel Bike

54cm, 56cm and 58cm in stock now! Delivery in 2-3 working days. Other sizes shown available with Cannondale. Expect delivery within 3-4 working days of placing an order.

Our take on the ultimate all-round gravel bike. Go anywhere, bring everything and then keep on going.

Lightweight full carbon frameset with Kingpin rear suspension, Proportional Response size-specific construction, and StashPort downtube storage

With a single chainring and wide-range SLX 12-speed cassette, this blend of Shimano’s top-end GRX820 and GRX610 gravel groups offers a killer performance value

Durable, dependable WTB ST i25 rims, with Shimano hubs and WTB Riddler 45c gravel tires

Cannondale 3 flared handlebars offer comfortable, gravel-friendly hand positions

Cannondale Wheel Sensor delivers hyper-accurate speed, distance and route info, service reminders, and more via the Cannondale App

Specification

Frame	Topstone Carbon, Kingpin suspension system, Proportional Response construction, downtube Stashport, internal cable routing, 12×142mm thru-axle, 27.2 dropper post ready, UDH, BSA 68mm threaded BB, flat mount disc, removable fender bridge, multiple gear/bottle mounts
Fork	Topstone Carbon, 1-1/8” to 1.5” steerer, 55mm OutFront offset, flat mount disc, internal routing, 12×100 thru-axle, triple bottle/gear mounts, fender mounts
Headset	Acros IS52/40 ICR
Rear Derailleur	Shimano GRX 822, Shadow SGS
Shifters	Shimano GRX 610, 12-speed
Chain	Shimano M7100, 12-speed
Crank	Shimano GRX 610, 40T
Cassette	Shimano SLX M7100, 10-51, 12-speed
Bottom Bracket	Shimano BSA 68
Brakes	Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors
Brake Levers	Shimano GRX 610 hydraulic disc
Front Hub	Shimano TC500, 12×100mm centerlock
Rear Hub	Shimano TC500, 12×142mm centerlock
Rims	WTB ST i25 TCS, 28h, tubeless ready
Spokes	Stainless Steel, 14g
Tyres	WTB Riddler TCS Light, 700×45c, tubeless ready
Handlebar	Cannondale 3, butted 6061 Alloy, 16 deg flare drop
Stem	Cannondale C1 Conceal, Alloy, 31.8, -6°
Grips	Cannondale KnurlCork, 2.7mm
Saddle	Selle Royal SRX Open
Seatpost	Cannondale 3, 6061 Alloy, 27.2×350mm
Wheel Sensor	Cannondale Wheel Sensor
Extras	Large StashBag downtube storage bag, tubeless valve stems

Specifications are subject to change without notice

Size Guide

Frame Size	Minimum Height	Maximum Height
47cm	149cm (4’11”)	167cm (5’6”)
51cm	165cm (5’5”)	175cm (5’9”)
54cm	172cm (5’8”)	180cm (5’11”)
56cm	177cm (5’10”)	185cm (6’4”)
58cm	182cm (6’0”)	193cm (6’4”)
61cm	190cm (6’3”)	200cm (6’7”)

We have developed our size guide from our selling experience and it may differ from the manufacturers guide. Please note, this is only a guide and if you have any concerns over sizing please get in contact

Geometry

Frame Size	47cm	51cm	54cm	56cm	58cm	61cm
A – Seat Tube Length	41.0cm	44.6cm	48.2cm	51.8cm	55.4cm	59.0cm
B – Top Tube Horizontal	53.2cm	54.3cm	55.4cm	56.4cm	57.6cm	59.3cm
C – Top Tube Actual	51.0cm	52.0cm	53.1cm	54.3cm	55.7cm	57.4cm
D – Head Tube Angle	69.9°	70.7°	70.7°	70.7°	70.7°	70.7°
E – Seat Tube Angle	73.1°	73.1°	73.1°	73.1°	73.1°	73.1°
F – Standover	71.6cm	74.1cm	77.2cm	80.0cm	83.1cm	86.4cm
G – Head Tube Length	9.7cm	10.1cm	12.3cm	14.2cm	16.4cm	19.6cm
H – Wheelbase	100.9cm	101.2cm	102.6cm	103.6cm	105.0cm	106.9cm
I – Front Center	60.1cm	60.5cm	61.7cm	62.8cm	64.1cm	65.9cm
J – Chain Stay Length	42.0cm	42.0cm	42.0cm	42.0cm	42.0cm	42.0cm
K – Bottom Bracket Drop	7.9cm	7.9cm	7.6cm	7.6cm	7.4cm	7.4cm
L – Bottom Bracket Height	28.0cm	28.0cm	28.3cm	28.3cm	28.5cm	28.5cm
M – Fork Rake	5.5cm	5.5cm	5.5cm	5.5cm	5.5cm	5.5cm
N – Trail	7.3cm	6.7cm	6.7cm	6.7cm	6.7cm	6.7cm
0 – Stack	55.4cm	56.1cm	57.9cm	59.7cm	61.5cm	64.6cm
P – Reach	36.4cm	37.3cm	37.8cm	38.3cm	38.9cm	39.7cm
Q – Axel to Crown	42.9cm	42.9cm	42.9cm	42.9cm	42.9cm	42.9cm

Want to compare the size of your current bike to this one? Read our Reach and Stack guide here.