Chameleon 4

Model Specs

Compatible Forks	120mm to 140mm recommended. 160mm max.
Headtube/Headset	1-1/8" Straight - External. S.H.I.S EC34/28.6 EC34/30
Seat Post	30.9mm - Minimum insertion 100mm
Front Derailleur	34.9mm Top Pull/Top Swing (Low Clamp)
BB Shell Width	68mm - Threaded - ISO
Chainline Spec	50mm
Recommended Max Tire Size	2.35 - may vary by tire and rim model
Brakes	Disc Brake - ISO
Max Brake Rotor Size	203mm
Rear Hub	135mm x 10mm (QR style)
Seatpost Clamp	34.9mm
Component Notes	The Chameleon.4 uses an eccentric bottom bracket (E.B.B.) to adjust chain tension for single speed use. The E.B.B. is a simple wedge design, which requires little or no maintenance once setup correctly. If using a front derailleur, you can choose to have the E.B.B. at the 6 o’clock or 12 o’clock for different bb heights. It is best to use one of these positions for proper alignment with the front derailleur. When setting up the bike as a single speed, you can also choose between a higher and lower bb height. The advantages of this system over traditional horizontal dropouts are: perfect disk brake positioning, easy “set and forget” chain adjustment, and a consistent wheelbase length so your handling never changes. See PDF link attached below for EBB set-up and re-build details. chameleontech.pdf chameleontech.pdf

Fastener	Download
*See Hardware Notes link below for EBB torque spec info	-

If you're looking for more information about your bike check our the Santa Cruz Bicycles Owner's Manual.