NEW Profile Conversion 25.4mm (1-1/8" fork) to 28.6mm (1-1/8" threadless stem) chain_9speed SRAM engineered the oversized DUB

SRAM engineered the oversized DUB spindle to work across every bottom bracket standard

The Shimano Claris R2000 series is designed at a price point for new riders

Straps on the top connect to the top tube while included optional straps at the front and rear increase stability

Kalloy Straight Post Seatpost has no clamp

Precision-machined body and head with an Airflation Control knob for 100% reliability

NEW Profile Conversion 25.4mm (1-1/8" fork) to 28.6mm (1-1/8" threadless stem) chain_9speed SRAM engineered the oversized DUBConversion is designed for installing threadless stems on a threaded fork. Steerer Clamp OD 25. 4mm, for 1", 28. 6mm for 1 1 8 Approximately 25mm rise increase possible if used with spacers Polished Silver finish Quill Insertion Diameter: 25. 4mm for 1 1 8" stems and 22. 2 for 1" stems Length of clamp area 1 5 8" (41mm) Quill Insertion Diameter: 1 1 8"