Checkpoint ALR 3 is the best value gravel bike in the line-up. Kitted out with a 300 Series Alpha Aluminium frame, the Checkpoint ALR 3 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Tubeless-ready wheels help fight punctures in the rough while a 2x9-speed Shimano group set and mechanical disc brakes balance budget with reliability.

The final word

When you want to start exploring the road less travelled, reach for the Checkpoint ALR 3. This budget-minded gravel bike gives you room to grow from rugged commutes to gravel grinds with economical components and a comfortable, capable frame that's built to take you on every adventure.

 

How tall are you?

To measure your height, stand up straight, barefoot, with your back, heels, shoulders and head all touching a wall. While looking straight ahead, place a book or straight edge on your head and slowly push it against the wall. Your straight edge should be parallel with the floor. Mark the spot where the bottom of the book is touching the wall. The distance from the marked spot to the floor is your height.

What is your inside leg?

How to measure: Stand barefoot with your back straight and against a wall. Tuck a ruler or something that extends to the floor between your legs. Using both hands, and keeping it level, pull the ruler up into your crotch as if you were sitting on the saddle. Measure the distance from the top edge of the ruler to the ground to find your inside leg measurement. Your inside leg is very important to your final bike size so please measure carefully.

Sizing

size-table

Size	Rider Height	Inseam
49	156 - 163 cm 5'1" - 5'4"	74 - 77 cm 29" - 30"
52	163 - 168 cm 5'4" - 5'6"	76 - 79 cm 30" - 31"
54	168 - 174 cm 5'6" - 5'9"	78 - 82 cm 31" - 32"
56	174 - 180 cm 5'9" - 5'11"	81 - 85 cm 32" - 33"
58	180 - 185 cm 5'11" - 6'1"	84 - 87 cm 33" - 34"
61	185 - 191 cm 6'1" - 6'3"	86 - 90 cm 34" - 35"

Geometry

All measurements provided in cm unless otherwise stated.

     

Sizing table

Frame size number	Wheel size	A — Seat tube	B — Seat tube angle	C — Head tube length	D — Head angle	E — Effective top tube	G — Bottom bracket drop	H — Chainstay length	I — Offset	J — Trail	K — Wheelbase	L — Standover	M — Frame reach	N — Frame stack	Stem length
49 cm	700c	49.0	74.1°	9.0	71.2°	54.1	7.8	43.5	4.5	7.4	102.5	73.5	39.3	53.8	70.0
52 cm	700c	52.0	73.7°	10.5	71.6°	55.5	7.8	43.5	4.5	7.1	103.3	76.5	39.9	55.3	80.0
54 cm	700c	54.0	73.2°	12.5	71.8°	57.0	7.6	43.5	4.5	7.0	104.1	78.9	40.3	57.1	80.0
56 cm	700c	56.0	72.8°	14.5	72.2°	58.4	7.6	43.5	4.5	6.7	104.8	80.9	40.7	59.2	90.0
58 cm	700c	58.0	72.5°	16.5	72.3°	59.7	7.4	43.5	4.5	6.6	105.8	82.9	41.1	60.9	90.0
61 cm	700c	61.0	72.1°	19.5	72.6°	61.7	7.4	43.5	4.5	6.5	107.0	85.9	41.7	63.9	100.0