We turned this vintage Diamond Back Ascent into a modern 1x9 path and trail bike. This bike was saved from being scrapped:    • Dump Find! 1995 Diamondback Ascent Vi...  
The 1x9 conversion was done using components from Wolftooth (https://www.wolftoothcomponents.com/ ) and MicroShift. A big shout out to Forager Cycles and their beautiful Cable Cherries too: https://foragercycles.com/ *Specs and parts list below:

Frame: 1995 Diamond Back Ascent, small, USA-made True Temper AVR chromoly, welded in China, stamped dropouts
Fork: 1995 Diamond Back chromoly unicrown, 1-1/8' threadless, stamped dropouts
Headset: Wolftooth Components Performance EC, 1-1/8"
Wheels: Early 2000's Mavic/Deore, 26", resurfaced    • How To Resurface Vintage Bike Rim Bra...  
Tires: Maxxis DTH 26x2.3 https://amzn.to/3MCRpln
Rear Derailleur: MicroShift Advent 9-speed https://amzn.to/3WlnaTf
Cassette: MicroShift Advent 9-speed 11-46t https://amzn.to/3pWlXpt
Shifter: MicroShift Advent Trail Trigger Pro 9s https://amzn.to/3WgJUUt
Crankset: SRAM GXP I, 170mm, used (modern equivalent: https://amzn.to/45tdScf )
Bottom Bracket: SRAM GXP I, BSA 63, used (modern eqv: https://amzn.to/3pN0pLI
Chainring: Wolftooth Components 30t, 104 BCD
Chain: KMC X10SL, 10-speed, https://amzn.to/41PKuK8
Pedals: Crank Brothers Stamp 1, https://amzn.to/3MmvayG
Brake Levers: Avid SD-1.9L, long pull, used, (modern eqv: https://amzn.to/3MGHyuZ )
Brake Calipers: Avid Arch Rival 40, used, (modern eqv: Paul Motolite, is closest)
Brake Pads: Kool Stop Mountain V-brake pads, https://amzn.to/3MifNax
Cables: Jagwire Pro compressionless, https://amzn.to/3OjUl7Q
Saddle: Supacaz Ti, no longer made, (recommend https://amzn.to/3Ip0mfH )
Seat Post: Kalloy UNO, https://amzn.to/3pZ1fFe
Seat Post Clamp; Wolftooth Components Q/R https://www.wolftoothcomponents.com/
Stem: Kalloy, no longer made, (eqv: https://amzn.to/45gVKlp )
Bars: Kona DB, used (eqv https://amzn.to/3op2sVU )
Grips: Wolftooth Components Echo Lock-On https://www.wolftoothcomponents.com/

*Some of these links are affiliate links. Buying recommended products through these links helps to support our channel. Thank you!