Bicycle Archive · Specification report

2015 Chumba Ursa SS

Velopedia Archive ID 1196770

Overview

Model year	2015
Brand	Chumba
Model	Ursa SS
Bicycle type	Mountain Hardtail
Archive ID	1196770
Original MSRP	$2,999.00
Colors	Tan
Sizes	S, M, L

Frameset

Frame material	CHUMBA USA Select Steel, PMW Sliding Dropouts
Fork	Surly Cro-Mo w/ Rack Mounts

Drivetrain

Component group	Single Speed
Crankset	Race Face Chester 2x, 83mm, 175mm, 36/24t
Rear cogs	21t Cog 3/32"
Chain	KMC X9

Brakes

Brakes	Shimano XT ICE 180R/180F

Cockpit & contact points

Headset	Cane Creek 110
Handlebar	Thomson Mountain Carbon Bar 730mm
Stem	Thomson X4
Saddle	Race Face Aeffect Black
Seatpost	Thomson Elite 31.6 X 410mm

Wheels & tires

Hubs	Hope X2 Evo 150x12mm rear and 100x15 front
Rims	29+ Rabbit Hole 32h rims
Front tire	Maxxis Chronicle 29x3.0 EXO Folding 120tpi
Wheel size	29

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 8, 2026.