Epinions: Cycling Products
Consumer-generated reviews, buying tips and advice, ratings, price information, and searchable in a variety of ways from price to product type.

Consumers' Checkbook: How to Buy Bicycles
Gives general considerations on how to select a product and which features are useful.

Best Bike Buys
Compare prices and selection on bicycle parts, clothing and accessories.

eBuying Guides: Where to Buy Road Bikes
Concentrates on where to buy and shop for products, but also has staff-produced buying guides for over 200 products. Some of the guides are links to other buying guide sites. Accepts no payments for listings.

Consumersearch.com: Mountain Bikes
Identifies which products reviewers like and dislike, where they agree or disagree, and why.

RoadBikeReview.com
Consumer-generated product reviews, ratings, prices for brands and models. Part of the ConsumerReview.com network.

Xoomgear
Offers consumer reviews and product comparison of mountain and road bikes by features and price.

BikeTech Review
Offering unbiased, laboratory-based evaluations of cycling products. Price, performance, and durability are used as the principle evaluation criteria.