HEIM 3Guide

The first downhill worthy, triple ring shiftable chainguide
Triple chainring shifting capacity
Positive big ring chain retention
32- 52T big ring range
93 grams light
Aircraft grade stainless steel hardware and mounting                  plate
Two sealed chrome steel ball bearings
Tough, quiet polyurethane roller
Simple installation with flanged bottom bracket                  cup
Minimum chainline offset
Tapered roller for backpedaling retention
Patent pending design
Race proven with numerous podium finishes in downhill and super-d races
MSRP $74.95

http://www.montaramtb.com/