500 Series OCLV Carbon, TQ drive system, tapered head tube, IsoSpeed, internal routing, flat-mount disc, mudguard mounts, UDH, 142x12 mm chamfered thru axle 28 Trek Checkpoint full carbon, tapered carbon steerer, mudguard mounts, triple rack mounts, flat-mount disc, 12x100 mm chamfered thru axle

• Powerful and discreet e-system - The industry-leading TQ HPR 60 harmonic pin ring motor is super efficient with an amazing range-to-weight-to-speed ratio. It's ultra-compact, whisper-quiet and offers a natural-feeling assist up to 28 mph (25 kph in Europe) with 50 miles of range (in Eco mode). Plus, choose how much boost you get and when you get it with three assist modes.

Checkpoint+ SL Frameset is an electric gravel bike frame ready for far out adventures. Its OCLV Carbon frame is designed to pair with TQ's HPR60 motor for a smooth and quiet boost up to 28mph, while mounts for racks and bags let you load up to get way, way out there. The frame comes ready to build with a full carbon Checkpoint fork. Motor, battery, and display not included.