Club Ride Woodchuck Chamois L (34-35) Black Model=GP3 Evo BioKork Grips They have a shifter mounting

They have a shifter mounting boss that fits Shimano bar end shifters and most Shimano downtube shifters

DebonAir+ air spring is built to provide a balance of a butterlike small bump feel increased air volume to add support throughout the travel and higher overall ride height

Rear Derailleur: Shimano XT RD-M8100 SGS Shadow Plus / 12 SpeedCassette/FreewheelShimano Deore CS-M6100-12 / 10-51 T

Disc brake mount adaptor

Club Ride Woodchuck Chamois L (34-35) Black Model=GP3 Evo BioKork Grips They have a shifter mountingActiveFlow quick drying, breathable 4 way stretch fabric with 6 panel body shaping construction Wide waistband for comfort and lasting fit Mid length fit 9. 75" inseam Anatomically male specific pre shaped chamois 8mm triple density foam with gel insert for vibration dampening 54% nylon 34% poly 12% spandex Model Woodchuck Color Black Size L Waist (Inches) 34 35 Inseam (Inches) 9. 75