SHIMANO 105 5800 11 SPEED CASSETTE Hydrive USB rechargeable headlight that easily

USB rechargeable headlight that easily attaches to any handlebar

Trek proprietary headset components compatible with Trek Knock Block models

Register your bike now- Can't decide between wheel sizes

The Top Tube IsoSpeed technology sets this frameset apart from the rest

you can ride with confidence knowing that your investment is well-protected

SHIMANO 105 5800 11 SPEED CASSETTE Hydrive USB rechargeable headlight that easilyShimano 105 5800 11 Speed Cassette The Shimano 105 5800 11 Speed Cassette is a high performance road cassette with hyperglide EV sprockets that have a computer designed tooth configuration for smoother shifting performance and increased durability.