Apparel & Accessories 
Vehicles & Parts 
Toys & Games 
Sporting Goods 
Office Supplies 
Luggage & Bags 
Home & Garden 
Hardware 
Furniture 
Copied
Go to and paste the code at the checkout to enjoy
Shimano E-Tube Di2 External Junction B Box
Best Price:
Buy Shimano E-Tube Di2 External Junction B Box for $29.69 at @ Cambriabike.com
No coupon is required — this is the standard retail price.
Set a price drop alert to never miss an offer.
Price Comparison
| Seller | Contact Seller | List Price | On Sale | Shipping | Best Promo | Final Price | Volume Discount | Financing | Availability | Seller's Page |
|---|---|---|---|---|---|---|---|---|---|---|
|
BEST PRICE 1 Product Purchase
|
|
$32.99 | $29.69 |
|
$29.69 | See Site | Instock | Visit Store |
Product Details
Shimano E-Tube Di2 External Junction B Box The Shimano Di2 SM-JC40 is designed to connect SD50 E-tube wires along four points; front derailleur, rear derailleur, cockpit junction and battery mount. The B-Box is used to split the main wire from Junction A to the front and rear derailleurs. It can also be used to connect a seatpost mounted battery to the system. Specifically designed for externally mounted systems and mounts underneath bottom bracket shell - for External systems use SM-JC41.
Reviews
Questions & Answers
661 Recon Scout MTB Helmet - Blue
$34.99
Race Face Turbine R Universal Dropper Lever
$69.00
Pearl Izumi Elite InRCool Ltd Tri Singlet - Womens - Futuristic Scuba Blue
$17.00
Mavic Essential Softshell Cycling Jacket - Majolica Blue
$90.00
Blur Optics B-20 Goggle Tear Offs - 10 Pack
$5.84
Mavic XC 421 MTB Disc Rim - Black
$40.00
Shimano GF600 Flat Pedal MTB Shoe - Black
$160.00
Production Privee Internal Top Cap - LBS5
$10.19
Shimano Tourney TX800 8 Spd STI Shift and Brake Lever Set
$28.99
Maxxis Torch Folding MTB Tire - Silkworm
$42.00
Troy Lee Designs Ruckus Long Travel Pant - Dark Canvas
$129.99
Schwalbe Pro One Evolution 700c Folding Road Tire - Addix Race
$84.63
Troy Lee Designs Sprint Long Sleeve MTB Jersey - Youth - Icon - Berry
$49.99
Giro Rivette CS Dirt Bike Glove - Womens - Black-Electric Purple
$18.00
Bell Lil Ripper Child Helmet - Gloss Hi-Vis Yellow
$44.95
Marzocchi Super Z 190 29 15QRx110 - Shiny Black-Gloss Black Logo
$999.00
CBO Generic Comp 3 Tire - Black
$11.24
Shimano Technium Sunglasses - Dark Olive - Ridescape Off-Road Lens
$100.00
Bell Nomad 2 MIPS MTB Helmet - Matt Green
$64.95
microSHIFT Bar End Shifter - Right - Shimano Compatible
$55.99
Halo II Pullover Headband - Splatter Air
$16.95
Leatt Enduro 1.0 MTB Short - Black - 2024
$64.99
Kool Stop Tire Bead Jack with Handle
$15.00
Wolf Tooth Components Centerlock Rotor Lockring - Internal Splined - Red
$15.95
Shimano TR501 Triathlon Shoe - White
$140.00
7 iDP Transition Knee Pads - Black
$37.49
Feedback Velo Column Bike Storage Rack
$220.00
Wolf Tooth Components Fat Paw Grips - Orange
$26.95
