Original BMC D-Shape seatpost for: - Roadmachine 01 Gen 2 - Roadmachine Gen 2 - Roadmachine AMP (Mahle) - Roadmachine 01 AMP (TQ) - Kaius 01 Gen 1 - URS 01 Gen 1 - URS Gen 1 This old replacement item was using M5 saddle clamp hardware, and is not replaced by 30006247 or 30006270 that are using M6 saddle clamp hadware.