Easy on and off with quick release clamp won't sway while riding Fits 27 mm and 31.6 mm seat posts Tightens firmly with no movement from side to side with 5 mm Allen key Base is adjustable allowing cargo to be further away or closer to seat Welded on light holder Rack surface is 38 cm x 12 cm Designed to hold 6.8 kg (15 lbs) Not compatible with carbon seatposts Not designed for use with child carriers Compatible with BIKASE Reggie Rack Bag and Bessie Rear Basket. REAR RACK EZ CLMP ON
