Utilizes an internal front segment and derailleur wires with external junction box and battery mount
Length of front wire segment from junction box to front of bicycle=1280mm internal
Length of battery wire segment from junction box to battery mount=250mm external
Length of front derailleur wire segment from junction box to derailleur=330mm external
Length of rear derailleur wire segment from junction box to derailleur=570mm internal
Internal wiring kits are only intended for use with frames designed specifically to support Di2 internal wiring
Internal wire kits are available in three degrees of internalization
Internal wiring kits feature one of two types of battery mounts: long, which is the same mount that external wiring kits utilize, and short, which eliminates the water bottle cage mount allowing for alternative battery placement
The number available to ship today is for orders placed by 8:30 AM Pacific time.
For orders that can ship complete from one warehouse, "Today" is extended to 1:30 PM for Oregon and Nevada, and 11:30 AM for Utah.
If you click the link to "Show all four warehouse quantities", you can see exactly how many items can ship from each warehouse.
The number available to ship in 1 or more days is for orders placed today by 1:30 PM Pacific time.
Example:If our site says "0 Today" and "5 Monday", if you order today by 1:30 PM Pacific time we can ship up to 5 of these items by Monday from one of our warehouses.
Available For Pickup Questions
Quantities shown are for orders placed now.
The number available for pickup today is the current stock on the shelf in each retail location.
The number available for pickup in 1 or more days is for orders placed today by 1:30 PM Pacific time.
Example:If our site says "Portland, OR 0 Today" and "5 Monday" if you order today by 1:30 PM Pacific time you can pick up to 5 of these items by Monday at our Portland retail store.
Choose "Show All Products" to view all available products. Choose "In Stock Products" to view all products in stock in one of our warehouses at this moment. Choose one of our retail stores to view only the products that are in stock at a particular store and available for pickup at this exact moment.
We offer flat rate ground shipping, with free shipping on orders over $150 on most items (some oversize items are excluded from free shipping).
Ground Shipping for $9.99
If your "Product Total" is under $150, Ground Shipping will cost $9.99.
Free Ground Shipping on orders over $150
If your "Product Total" is over $150, Ground Shipping will be free. Sales tax amount does not count towards free shipping. Some oversize items are excluded, and will be noted on the product pages and in the cart.
Additional Details
Choose Ground Shipping at checkout.
Ground Shipping is available in the lower 48 states.
Generally, your order will ship UPS if it weighs over a pound, and Postal if it weighs less than a pound.
Shimano Dura-Ace Di2 EW-7972 Internal Wiring Kit
Shimano Dura-Ace Di2 EW-7973-2 Internal Wiring Kit
Shimano SM-EWC1 Dura-Ace 7970 Di2 Wire Cover Set 
PRO Components Seatpost Battery Holder
Shimano SM-PCE02 E-Tube Di2 PC Connector
Shimano BTR2 Di2 Internal Battery Seat Tube Shim
Shimano SM-BTR1 E-Tube Di2 External Battery
Shimano BT-DN110-7A E-Tube Di2 Internal Battery
Shimano BM-DN100-S Bluetooth Di2 Battery Mounts
Shimano BT-DN300 Di2 Internal Battery
Shimano BM-DN100-L Bluetooth Di2 Battery Mounts
Shimano SM-BMR E-Tube Di2 Battery Mounts
Shimano SM-BMR1 Di2 External Battery Mounts
Shimano SM-BTC1 Di2 Bottle Cage Battery Mount
Shimano SM-BA01 Di2 Bottle Cage Adaptor
Shimano SM-BCR2 E-Tube Internal Battery Charger
Shimano Internal Battery Fork Steerer Mount Holder
Shimano SM-BCR1 External Di2 Battery Charger
Shimano Di2 Tube Dummy Plug
Shimano EW-AD305 Di2 E-Tube Conversion Adapter
Shimano Di2 Frame Wire Grommets
Shimano EW-WU101 Di2 Bluetooth Transmitter Unit
Shimano EW-EC300 Charging Cable
Shimano EW-JC200 E-Tube Port 
Shimano EW-JC302 Di2 2-Port E-Tube Junction
Shimano EW-JC304 Di2 E-Tube Junction Box
Shimano EW-RS910 Bar End Junction-A Box
Shimano EW-WU111 Wireless E-Tube Port
Shimano SM-EW90 E-Tube Cockpit Junction Boxes
Shimano EW90-A/B Di2 Junction Box Band
Shimano E-Tube Di2 Frame Junction Boxes
Shimano EW90-A/B Di2 Junction Box Hook - Mounting Plate
