Chain Checker Vendor_Finish Line SM-EW90-A 3-Port Cockpit Junction Box

SM-EW90-A 3-Port Cockpit Junction Box connects 1 pair of Di2 shifters to the frame junction box via 3 SD50 E-tube wires

puts an end to ghost shifting

Stem Angle (deg): +6

The Smith Reverb performance sunglasses have a modern

The 1999 brake kit is a lightweight alloy brake kit perfect for those rebuilding that old BMX bike they found at a garage sale

Chain Checker Vendor_Finish Line SM-EW90-A 3-Port Cockpit Junction BoxTo prevent poor shifting and uneven drivetrain wear, most manufacturers recommend chain replacement at or before 1% stretch. Now you can quickly and accurately determine the wear and stretch of any chain with Park's Chain Checker. Simply insert the Chain Checker's pins into 2 links, press the swingarm gauge tight, and then check the gauge window for an accurate reading!