Blackspire Defender 120BCD 39T. For Tratvativ/SRAM

Protection for 120BCD 2x. CNC 6061 T-6. 4.7 mm thick.
Including custom mounting materials. Anodized with laser etched graphics. Size: 39t max.
Options. Colour: Grey. Weight: 117 g (42 t), 130 g (39 t). BCD: 120. * Frames that use E-Type front derailleurs may not be compatible with the Defender, depending on how many vertical adjustment options the frame manufacturer has allowed.

Model Defender
Type Trodvativ /SRAM
Material aluminum
Stitch (mm) 120
Net weight (G) 130
Number of teeth 39
Number of crank bolts 4