Chumba Racing and Brodie Bikes in the UK

All frames have the bottom bracket and head tube faced, ready for installation.

Made from 6061 T-6 Aluminum

Colors available include Anodized Black, Anodized Grey, Anodized Blue, White.

Equipped with a Fox RP23 or DHX Air 5.0 (upcharge) 7.875x2.0

Frame Weight 6.2 lbs without shock (Medium)

Available in XtraSmall(4'11" - 5'4") Small(5'5"-5'9"), Medium(5'8"-6'0"), and Large(6'1"-6'3") sizes*

SRP £1299 (Frame only)

E-type derailleur insert to allow use of wider diameter tubing for a stronger and stiffer front triangle.

Larger linkage pieces (up to 30 percent) and tubes for stiffness.

Integrated stiffening rib on rocker arm for a solid ride.

Center of mass technology for a centrally balanced chassis.

Proprietary inverted extra wide bottom bracket shell for improved rigidity.

Race and trail proven geometry refined over a decade.

Wider diameter high quality Enduro bearings for smooth, durable, and reliable suspension action.

Neutral braking: CHUMBA frames are active under braking forces to ensure excellent traction throughout all terrain during your descent.

Efficient pedaling: Axle paths and shock rates configured to eliminate pedal bob and squat - ensuring pedaling power hits the ground.

Minimal chain growth eliminates pedal feedback.

Frame Size	X-Small	Small	Medium	Large
Top Tube Length	21.75"	22.5"	23.5"	24"
Head Tube Angle	68	68	68	68
Head Tube Length	3.5"	4.5"	5.0"	5.5"
Head Tube Diameter	1 1/8"	1 1/8"	1 1/8"	1 1/8"
Seat Tube Angle	72.5	72.5	72.5	72.5
Seat Post Diameter	31.6mm	31.6mm	31.6mm	31.6mm
Seat Tube Center-to-Top	14.3"	16.8"	19"	21"
Seat Tube Center-to-Center	11.6"	13.2"	14.5"	16.4"
Chainstay Length	16.75"	16.75"	16.75"	16.75"
Wheelbase	41.7"	42.5"	43"	44"
Bottom Bracket Height	12.25"	13.5"	13.5"	13.5"
Bottom Bracket Width	73mm	73mm	73mm	73mm
Disc Brake Mount	I.S.	I.S.	I.S.	I.S.
Travel	5"	5"	5"	5"

* Geometry measured using 140mm fork, except for size X-Small, which was measured using a 120mm fork.